Home / 7,724.30-10,663.49-4,894.61

Finding the Fourth Proportional to 7,724.30, 10,663.49 and 4,894.61

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Solution

The fourth proportional to 7,724.30, 10,663.49 and 4,894.61 is: 6,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.30 : 10,663.49 = 4,894.61 : x
  2. Step 2: Convert to fraction form
    7,724.30/10,663.49 = 4,894.61/x
  3. Step 3: Cross multiply
    7,724.30x = 10,663.49 × 4,894.61
  4. Step 4: Simplify right side
    7,724.30x = 52,193,600.32
  5. Step 5: Solve for x
    x = 52,193,600.32/7,724.30
  6. Step 6: Final answer
    x = 6,757.07

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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.