Home / 5,089.68-7,636.95-3,242.88

Finding the Fourth Proportional to 5,089.68, 7,636.95 and 3,242.88

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Solution

The fourth proportional to 5,089.68, 7,636.95 and 3,242.88 is: 4,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.68 : 7,636.95 = 3,242.88 : x
  2. Step 2: Convert to fraction form
    5,089.68/7,636.95 = 3,242.88/x
  3. Step 3: Cross multiply
    5,089.68x = 7,636.95 × 3,242.88
  4. Step 4: Simplify right side
    5,089.68x = 24,765,712.42
  5. Step 5: Solve for x
    x = 24,765,712.42/5,089.68
  6. Step 6: Final answer
    x = 4,865.87

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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.