Home / 5,429.69-8,144.57-1,534.13

Finding the Fourth Proportional to 5,429.69, 8,144.57 and 1,534.13

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Solution

The fourth proportional to 5,429.69, 8,144.57 and 1,534.13 is: 2,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.69 : 8,144.57 = 1,534.13 : x
  2. Step 2: Convert to fraction form
    5,429.69/8,144.57 = 1,534.13/x
  3. Step 3: Cross multiply
    5,429.69x = 8,144.57 × 1,534.13
  4. Step 4: Simplify right side
    5,429.69x = 12,494,829.17
  5. Step 5: Solve for x
    x = 12,494,829.17/5,429.69
  6. Step 6: Final answer
    x = 2,301.20

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1.5x scale

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.