Home / 5,412.24-8,079.18-4,756.14

Finding the Fourth Proportional to 5,412.24, 8,079.18 and 4,756.14

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Solution

The fourth proportional to 5,412.24, 8,079.18 and 4,756.14 is: 7,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.24 : 8,079.18 = 4,756.14 : x
  2. Step 2: Convert to fraction form
    5,412.24/8,079.18 = 4,756.14/x
  3. Step 3: Cross multiply
    5,412.24x = 8,079.18 × 4,756.14
  4. Step 4: Simplify right side
    5,412.24x = 38,425,711.17
  5. Step 5: Solve for x
    x = 38,425,711.17/5,412.24
  6. Step 6: Final answer
    x = 7,099.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.