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Finding the Fourth Proportional to 5,082.48, 7,663.14 and 4,650.48

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Solution

The fourth proportional to 5,082.48, 7,663.14 and 4,650.48 is: 7,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.48 : 7,663.14 = 4,650.48 : x
  2. Step 2: Convert to fraction form
    5,082.48/7,663.14 = 4,650.48/x
  3. Step 3: Cross multiply
    5,082.48x = 7,663.14 × 4,650.48
  4. Step 4: Simplify right side
    5,082.48x = 35,637,279.31
  5. Step 5: Solve for x
    x = 35,637,279.31/5,082.48
  6. Step 6: Final answer
    x = 7,011.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.