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Finding the Fourth Proportional to 5,594.36, 8,391.71 and 1,698.75

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Solution

The fourth proportional to 5,594.36, 8,391.71 and 1,698.75 is: 2,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,594.36 : 8,391.71 = 1,698.75 : x
  2. Step 2: Convert to fraction form
    5,594.36/8,391.71 = 1,698.75/x
  3. Step 3: Cross multiply
    5,594.36x = 8,391.71 × 1,698.75
  4. Step 4: Simplify right side
    5,594.36x = 14,255,421.61
  5. Step 5: Solve for x
    x = 14,255,421.61/5,594.36
  6. Step 6: Final answer
    x = 2,548.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.