Home / 7,358.18-10,154.04-4,213.76

Finding the Fourth Proportional to 7,358.18, 10,154.04 and 4,213.76

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Solution

The fourth proportional to 7,358.18, 10,154.04 and 4,213.76 is: 5,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.18 : 10,154.04 = 4,213.76 : x
  2. Step 2: Convert to fraction form
    7,358.18/10,154.04 = 4,213.76/x
  3. Step 3: Cross multiply
    7,358.18x = 10,154.04 × 4,213.76
  4. Step 4: Simplify right side
    7,358.18x = 42,786,687.59
  5. Step 5: Solve for x
    x = 42,786,687.59/7,358.18
  6. Step 6: Final answer
    x = 5,814.85

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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.