Home / 5,562.26-8,363.40-5,128.81

Finding the Fourth Proportional to 5,562.26, 8,363.40 and 5,128.81

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Solution

The fourth proportional to 5,562.26, 8,363.40 and 5,128.81 is: 7,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.26 : 8,363.40 = 5,128.81 : x
  2. Step 2: Convert to fraction form
    5,562.26/8,363.40 = 5,128.81/x
  3. Step 3: Cross multiply
    5,562.26x = 8,363.40 × 5,128.81
  4. Step 4: Simplify right side
    5,562.26x = 42,894,268.65
  5. Step 5: Solve for x
    x = 42,894,268.65/5,562.26
  6. Step 6: Final answer
    x = 7,711.66

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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.