Home / 5,123.47-7,069.75-3,234.33

Finding the Fourth Proportional to 5,123.47, 7,069.75 and 3,234.33

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Solution

The fourth proportional to 5,123.47, 7,069.75 and 3,234.33 is: 4,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.47 : 7,069.75 = 3,234.33 : x
  2. Step 2: Convert to fraction form
    5,123.47/7,069.75 = 3,234.33/x
  3. Step 3: Cross multiply
    5,123.47x = 7,069.75 × 3,234.33
  4. Step 4: Simplify right side
    5,123.47x = 22,865,904.52
  5. Step 5: Solve for x
    x = 22,865,904.52/5,123.47
  6. Step 6: Final answer
    x = 4,462.97

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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.