Home / 5,201.50-7,802.25-2,082.91

Finding the Fourth Proportional to 5,201.50, 7,802.25 and 2,082.91

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Solution

The fourth proportional to 5,201.50, 7,802.25 and 2,082.91 is: 3,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.50 : 7,802.25 = 2,082.91 : x
  2. Step 2: Convert to fraction form
    5,201.50/7,802.25 = 2,082.91/x
  3. Step 3: Cross multiply
    5,201.50x = 7,802.25 × 2,082.91
  4. Step 4: Simplify right side
    5,201.50x = 16,251,384.55
  5. Step 5: Solve for x
    x = 16,251,384.55/5,201.50
  6. Step 6: Final answer
    x = 3,124.37

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1.5x scale

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.