Home / 8,760.13-12,088.46-4,780.44

Finding the Fourth Proportional to 8,760.13, 12,088.46 and 4,780.44

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Solution

The fourth proportional to 8,760.13, 12,088.46 and 4,780.44 is: 6,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.13 : 12,088.46 = 4,780.44 : x
  2. Step 2: Convert to fraction form
    8,760.13/12,088.46 = 4,780.44/x
  3. Step 3: Cross multiply
    8,760.13x = 12,088.46 × 4,780.44
  4. Step 4: Simplify right side
    8,760.13x = 57,788,169.67
  5. Step 5: Solve for x
    x = 57,788,169.67/8,760.13
  6. Step 6: Final answer
    x = 6,596.73

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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.