Home / 7,439.80-10,266.95-4,082.76

Finding the Fourth Proportional to 7,439.80, 10,266.95 and 4,082.76

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Solution

The fourth proportional to 7,439.80, 10,266.95 and 4,082.76 is: 5,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.80 : 10,266.95 = 4,082.76 : x
  2. Step 2: Convert to fraction form
    7,439.80/10,266.95 = 4,082.76/x
  3. Step 3: Cross multiply
    7,439.80x = 10,266.95 × 4,082.76
  4. Step 4: Simplify right side
    7,439.80x = 41,917,492.78
  5. Step 5: Solve for x
    x = 41,917,492.78/7,439.80
  6. Step 6: Final answer
    x = 5,634.22

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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.