Home / 7,640.60-11,459.46-3,742.52

Finding the Fourth Proportional to 7,640.60, 11,459.46 and 3,742.52

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Solution

The fourth proportional to 7,640.60, 11,459.46 and 3,742.52 is: 5,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.60 : 11,459.46 = 3,742.52 : x
  2. Step 2: Convert to fraction form
    7,640.60/11,459.46 = 3,742.52/x
  3. Step 3: Cross multiply
    7,640.60x = 11,459.46 × 3,742.52
  4. Step 4: Simplify right side
    7,640.60x = 42,887,258.24
  5. Step 5: Solve for x
    x = 42,887,258.24/7,640.60
  6. Step 6: Final answer
    x = 5,613.07

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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.