Home / 7,566.40-11,349.60-3,407.86

Finding the Fourth Proportional to 7,566.40, 11,349.60 and 3,407.86

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Solution

The fourth proportional to 7,566.40, 11,349.60 and 3,407.86 is: 5,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.40 : 11,349.60 = 3,407.86 : x
  2. Step 2: Convert to fraction form
    7,566.40/11,349.60 = 3,407.86/x
  3. Step 3: Cross multiply
    7,566.40x = 11,349.60 × 3,407.86
  4. Step 4: Simplify right side
    7,566.40x = 38,677,847.86
  5. Step 5: Solve for x
    x = 38,677,847.86/7,566.40
  6. Step 6: Final answer
    x = 5,111.79

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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.