Home / 6,654.60-9,176.40-4,640.36

Finding the Fourth Proportional to 6,654.60, 9,176.40 and 4,640.36

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Solution

The fourth proportional to 6,654.60, 9,176.40 and 4,640.36 is: 6,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.60 : 9,176.40 = 4,640.36 : x
  2. Step 2: Convert to fraction form
    6,654.60/9,176.40 = 4,640.36/x
  3. Step 3: Cross multiply
    6,654.60x = 9,176.40 × 4,640.36
  4. Step 4: Simplify right side
    6,654.60x = 42,581,753.62
  5. Step 5: Solve for x
    x = 42,581,753.62/6,654.60
  6. Step 6: Final answer
    x = 6,398.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.