Home / 7,724.40-10,659.96-4,538.16

Finding the Fourth Proportional to 7,724.40, 10,659.96 and 4,538.16

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Solution

The fourth proportional to 7,724.40, 10,659.96 and 4,538.16 is: 6,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.40 : 10,659.96 = 4,538.16 : x
  2. Step 2: Convert to fraction form
    7,724.40/10,659.96 = 4,538.16/x
  3. Step 3: Cross multiply
    7,724.40x = 10,659.96 × 4,538.16
  4. Step 4: Simplify right side
    7,724.40x = 48,376,604.07
  5. Step 5: Solve for x
    x = 48,376,604.07/7,724.40
  6. Step 6: Final answer
    x = 6,262.83

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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.