Home / 7,727.61-11,592.32-2,460.78

Finding the Fourth Proportional to 7,727.61, 11,592.32 and 2,460.78

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Solution

The fourth proportional to 7,727.61, 11,592.32 and 2,460.78 is: 3,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.61 : 11,592.32 = 2,460.78 : x
  2. Step 2: Convert to fraction form
    7,727.61/11,592.32 = 2,460.78/x
  3. Step 3: Cross multiply
    7,727.61x = 11,592.32 × 2,460.78
  4. Step 4: Simplify right side
    7,727.61x = 28,526,149.21
  5. Step 5: Solve for x
    x = 28,526,149.21/7,727.61
  6. Step 6: Final answer
    x = 3,691.46

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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.