Home / 7,654.32-11,480.40-2,459.52

Finding the Fourth Proportional to 7,654.32, 11,480.40 and 2,459.52

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Solution

The fourth proportional to 7,654.32, 11,480.40 and 2,459.52 is: 3,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.32 : 11,480.40 = 2,459.52 : x
  2. Step 2: Convert to fraction form
    7,654.32/11,480.40 = 2,459.52/x
  3. Step 3: Cross multiply
    7,654.32x = 11,480.40 × 2,459.52
  4. Step 4: Simplify right side
    7,654.32x = 28,236,273.41
  5. Step 5: Solve for x
    x = 28,236,273.41/7,654.32
  6. Step 6: Final answer
    x = 3,688.93

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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.