Home / 6,720.31-10,082.28-2,338.01

Finding the Fourth Proportional to 6,720.31, 10,082.28 and 2,338.01

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Solution

The fourth proportional to 6,720.31, 10,082.28 and 2,338.01 is: 3,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.31 : 10,082.28 = 2,338.01 : x
  2. Step 2: Convert to fraction form
    6,720.31/10,082.28 = 2,338.01/x
  3. Step 3: Cross multiply
    6,720.31x = 10,082.28 × 2,338.01
  4. Step 4: Simplify right side
    6,720.31x = 23,572,471.46
  5. Step 5: Solve for x
    x = 23,572,471.46/6,720.31
  6. Step 6: Final answer
    x = 3,507.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.