Home / 8,761.20-12,089.99-4,782.24

Finding the Fourth Proportional to 8,761.20, 12,089.99 and 4,782.24

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Solution

The fourth proportional to 8,761.20, 12,089.99 and 4,782.24 is: 6,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.20 : 12,089.99 = 4,782.24 : x
  2. Step 2: Convert to fraction form
    8,761.20/12,089.99 = 4,782.24/x
  3. Step 3: Cross multiply
    8,761.20x = 12,089.99 × 4,782.24
  4. Step 4: Simplify right side
    8,761.20x = 57,817,245.73
  5. Step 5: Solve for x
    x = 57,817,245.73/8,761.20
  6. Step 6: Final answer
    x = 6,599.24

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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.