Home / 7,439.79-10,266.87-4,082.52

Finding the Fourth Proportional to 7,439.79, 10,266.87 and 4,082.52

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Solution

The fourth proportional to 7,439.79, 10,266.87 and 4,082.52 is: 5,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.79 : 10,266.87 = 4,082.52 : x
  2. Step 2: Convert to fraction form
    7,439.79/10,266.87 = 4,082.52/x
  3. Step 3: Cross multiply
    7,439.79x = 10,266.87 × 4,082.52
  4. Step 4: Simplify right side
    7,439.79x = 41,914,702.11
  5. Step 5: Solve for x
    x = 41,914,702.11/7,439.79
  6. Step 6: Final answer
    x = 5,633.86

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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.