Home / 7,722.97-10,666.55-5,082.17

Finding the Fourth Proportional to 7,722.97, 10,666.55 and 5,082.17

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Solution

The fourth proportional to 7,722.97, 10,666.55 and 5,082.17 is: 7,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.97 : 10,666.55 = 5,082.17 : x
  2. Step 2: Convert to fraction form
    7,722.97/10,666.55 = 5,082.17/x
  3. Step 3: Cross multiply
    7,722.97x = 10,666.55 × 5,082.17
  4. Step 4: Simplify right side
    7,722.97x = 54,209,179.79
  5. Step 5: Solve for x
    x = 54,209,179.79/7,722.97
  6. Step 6: Final answer
    x = 7,019.22

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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.