Home / 9,724.32-14,585.76-3,877.20

Finding the Fourth Proportional to 9,724.32, 14,585.76 and 3,877.20

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Solution

The fourth proportional to 9,724.32, 14,585.76 and 3,877.20 is: 5,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.32 : 14,585.76 = 3,877.20 : x
  2. Step 2: Convert to fraction form
    9,724.32/14,585.76 = 3,877.20/x
  3. Step 3: Cross multiply
    9,724.32x = 14,585.76 × 3,877.20
  4. Step 4: Simplify right side
    9,724.32x = 56,551,908.67
  5. Step 5: Solve for x
    x = 56,551,908.67/9,724.32
  6. Step 6: Final answer
    x = 5,815.51

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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.