Home / 5,434.48-8,151.42-1,538.68

Finding the Fourth Proportional to 5,434.48, 8,151.42 and 1,538.68

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Solution

The fourth proportional to 5,434.48, 8,151.42 and 1,538.68 is: 2,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.48 : 8,151.42 = 1,538.68 : x
  2. Step 2: Convert to fraction form
    5,434.48/8,151.42 = 1,538.68/x
  3. Step 3: Cross multiply
    5,434.48x = 8,151.42 × 1,538.68
  4. Step 4: Simplify right side
    5,434.48x = 12,542,426.93
  5. Step 5: Solve for x
    x = 12,542,426.93/5,434.48
  6. Step 6: Final answer
    x = 2,307.94

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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.