Home / 5,434.43-8,151.77-1,538.87

Finding the Fourth Proportional to 5,434.43, 8,151.77 and 1,538.87

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Solution

The fourth proportional to 5,434.43, 8,151.77 and 1,538.87 is: 2,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.43 : 8,151.77 = 1,538.87 : x
  2. Step 2: Convert to fraction form
    5,434.43/8,151.77 = 1,538.87/x
  3. Step 3: Cross multiply
    5,434.43x = 8,151.77 × 1,538.87
  4. Step 4: Simplify right side
    5,434.43x = 12,544,477.39
  5. Step 5: Solve for x
    x = 12,544,477.39/5,434.43
  6. Step 6: Final answer
    x = 2,308.34

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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.