Home / 5,429.14-7,493.02-3,439.88

Finding the Fourth Proportional to 5,429.14, 7,493.02 and 3,439.88

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Solution

The fourth proportional to 5,429.14, 7,493.02 and 3,439.88 is: 4,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.14 : 7,493.02 = 3,439.88 : x
  2. Step 2: Convert to fraction form
    5,429.14/7,493.02 = 3,439.88/x
  3. Step 3: Cross multiply
    5,429.14x = 7,493.02 × 3,439.88
  4. Step 4: Simplify right side
    5,429.14x = 25,775,133.17
  5. Step 5: Solve for x
    x = 25,775,133.17/5,429.14
  6. Step 6: Final answer
    x = 4,747.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.