Home / 5,122.49-7,069.32-3,132.47

Finding the Fourth Proportional to 5,122.49, 7,069.32 and 3,132.47

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Solution

The fourth proportional to 5,122.49, 7,069.32 and 3,132.47 is: 4,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.49 : 7,069.32 = 3,132.47 : x
  2. Step 2: Convert to fraction form
    5,122.49/7,069.32 = 3,132.47/x
  3. Step 3: Cross multiply
    5,122.49x = 7,069.32 × 3,132.47
  4. Step 4: Simplify right side
    5,122.49x = 22,144,397.47
  5. Step 5: Solve for x
    x = 22,144,397.47/5,122.49
  6. Step 6: Final answer
    x = 4,322.98

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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.