Home / 5,425.12-7,487.12-3,329.92

Finding the Fourth Proportional to 5,425.12, 7,487.12 and 3,329.92

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Solution

The fourth proportional to 5,425.12, 7,487.12 and 3,329.92 is: 4,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.12 : 7,487.12 = 3,329.92 : x
  2. Step 2: Convert to fraction form
    5,425.12/7,487.12 = 3,329.92/x
  3. Step 3: Cross multiply
    5,425.12x = 7,487.12 × 3,329.92
  4. Step 4: Simplify right side
    5,425.12x = 24,931,510.63
  5. Step 5: Solve for x
    x = 24,931,510.63/5,425.12
  6. Step 6: Final answer
    x = 4,595.57

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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.