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Finding the Fourth Proportional to 5,565.54, 8,348.05 and 1,867.49

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Solution

The fourth proportional to 5,565.54, 8,348.05 and 1,867.49 is: 2,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.54 : 8,348.05 = 1,867.49 : x
  2. Step 2: Convert to fraction form
    5,565.54/8,348.05 = 1,867.49/x
  3. Step 3: Cross multiply
    5,565.54x = 8,348.05 × 1,867.49
  4. Step 4: Simplify right side
    5,565.54x = 15,589,899.89
  5. Step 5: Solve for x
    x = 15,589,899.89/5,565.54
  6. Step 6: Final answer
    x = 2,801.15

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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.