Home / 5,201.92-7,802.76-1,306.31

Finding the Fourth Proportional to 5,201.92, 7,802.76 and 1,306.31

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Solution

The fourth proportional to 5,201.92, 7,802.76 and 1,306.31 is: 1,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.92 : 7,802.76 = 1,306.31 : x
  2. Step 2: Convert to fraction form
    5,201.92/7,802.76 = 1,306.31/x
  3. Step 3: Cross multiply
    5,201.92x = 7,802.76 × 1,306.31
  4. Step 4: Simplify right side
    5,201.92x = 10,192,823.42
  5. Step 5: Solve for x
    x = 10,192,823.42/5,201.92
  6. Step 6: Final answer
    x = 1,959.44

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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.