Home / 8,724.16-13,086.88-4,337.12

Finding the Fourth Proportional to 8,724.16, 13,086.88 and 4,337.12

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Solution

The fourth proportional to 8,724.16, 13,086.88 and 4,337.12 is: 6,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.16 : 13,086.88 = 4,337.12 : x
  2. Step 2: Convert to fraction form
    8,724.16/13,086.88 = 4,337.12/x
  3. Step 3: Cross multiply
    8,724.16x = 13,086.88 × 4,337.12
  4. Step 4: Simplify right side
    8,724.16x = 56,759,368.99
  5. Step 5: Solve for x
    x = 56,759,368.99/8,724.16
  6. Step 6: Final answer
    x = 6,506.00

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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.