Home / 8,624.20-11,900.88-5,088.52

Finding the Fourth Proportional to 8,624.20, 11,900.88 and 5,088.52

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Solution

The fourth proportional to 8,624.20, 11,900.88 and 5,088.52 is: 7,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.20 : 11,900.88 = 5,088.52 : x
  2. Step 2: Convert to fraction form
    8,624.20/11,900.88 = 5,088.52/x
  3. Step 3: Cross multiply
    8,624.20x = 11,900.88 × 5,088.52
  4. Step 4: Simplify right side
    8,624.20x = 60,557,865.90
  5. Step 5: Solve for x
    x = 60,557,865.90/8,624.20
  6. Step 6: Final answer
    x = 7,021.85

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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.