Home / 5,723.76-8,585.64-3,125.28

Finding the Fourth Proportional to 5,723.76, 8,585.64 and 3,125.28

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Solution

The fourth proportional to 5,723.76, 8,585.64 and 3,125.28 is: 4,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.76 : 8,585.64 = 3,125.28 : x
  2. Step 2: Convert to fraction form
    5,723.76/8,585.64 = 3,125.28/x
  3. Step 3: Cross multiply
    5,723.76x = 8,585.64 × 3,125.28
  4. Step 4: Simplify right side
    5,723.76x = 26,832,528.98
  5. Step 5: Solve for x
    x = 26,832,528.98/5,723.76
  6. Step 6: Final answer
    x = 4,687.92

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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.