Home / 7,960.38-10,983.66-5,123.28

Finding the Fourth Proportional to 7,960.38, 10,983.66 and 5,123.28

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Solution

The fourth proportional to 7,960.38, 10,983.66 and 5,123.28 is: 7,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.38 : 10,983.66 = 5,123.28 : x
  2. Step 2: Convert to fraction form
    7,960.38/10,983.66 = 5,123.28/x
  3. Step 3: Cross multiply
    7,960.38x = 10,983.66 × 5,123.28
  4. Step 4: Simplify right side
    7,960.38x = 56,272,365.60
  5. Step 5: Solve for x
    x = 56,272,365.60/7,960.38
  6. Step 6: Final answer
    x = 7,069.06

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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.