Home / 4,397.12-6,589.20-1,929.68

Finding the Fourth Proportional to 4,397.12, 6,589.20 and 1,929.68

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Solution

The fourth proportional to 4,397.12, 6,589.20 and 1,929.68 is: 2,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.12 : 6,589.20 = 1,929.68 : x
  2. Step 2: Convert to fraction form
    4,397.12/6,589.20 = 1,929.68/x
  3. Step 3: Cross multiply
    4,397.12x = 6,589.20 × 1,929.68
  4. Step 4: Simplify right side
    4,397.12x = 12,715,047.46
  5. Step 5: Solve for x
    x = 12,715,047.46/4,397.12
  6. Step 6: Final answer
    x = 2,891.68

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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.