Home / 7,724.50-10,659.84-4,581.28

Finding the Fourth Proportional to 7,724.50, 10,659.84 and 4,581.28

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Solution

The fourth proportional to 7,724.50, 10,659.84 and 4,581.28 is: 6,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.50 : 10,659.84 = 4,581.28 : x
  2. Step 2: Convert to fraction form
    7,724.50/10,659.84 = 4,581.28/x
  3. Step 3: Cross multiply
    7,724.50x = 10,659.84 × 4,581.28
  4. Step 4: Simplify right side
    7,724.50x = 48,835,711.80
  5. Step 5: Solve for x
    x = 48,835,711.80/7,724.50
  6. Step 6: Final answer
    x = 6,322.18

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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.