Home / 8,723.31-13,068.45-5,154.76

Finding the Fourth Proportional to 8,723.31, 13,068.45 and 5,154.76

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Solution

The fourth proportional to 8,723.31, 13,068.45 and 5,154.76 is: 7,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.31 : 13,068.45 = 5,154.76 : x
  2. Step 2: Convert to fraction form
    8,723.31/13,068.45 = 5,154.76/x
  3. Step 3: Cross multiply
    8,723.31x = 13,068.45 × 5,154.76
  4. Step 4: Simplify right side
    8,723.31x = 67,364,758.62
  5. Step 5: Solve for x
    x = 67,364,758.62/8,723.31
  6. Step 6: Final answer
    x = 7,722.38

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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.