Home / 5,565.37-8,342.50-2,783.55

Finding the Fourth Proportional to 5,565.37, 8,342.50 and 2,783.55

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Solution

The fourth proportional to 5,565.37, 8,342.50 and 2,783.55 is: 4,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.37 : 8,342.50 = 2,783.55 : x
  2. Step 2: Convert to fraction form
    5,565.37/8,342.50 = 2,783.55/x
  3. Step 3: Cross multiply
    5,565.37x = 8,342.50 × 2,783.55
  4. Step 4: Simplify right side
    5,565.37x = 23,221,765.88
  5. Step 5: Solve for x
    x = 23,221,765.88/5,565.37
  6. Step 6: Final answer
    x = 4,172.55

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Double scale
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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.