Home / 5,285.71-7,930.61-2,001.11

Finding the Fourth Proportional to 5,285.71, 7,930.61 and 2,001.11

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Solution

The fourth proportional to 5,285.71, 7,930.61 and 2,001.11 is: 3,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.71 : 7,930.61 = 2,001.11 : x
  2. Step 2: Convert to fraction form
    5,285.71/7,930.61 = 2,001.11/x
  3. Step 3: Cross multiply
    5,285.71x = 7,930.61 × 2,001.11
  4. Step 4: Simplify right side
    5,285.71x = 15,869,980.82
  5. Step 5: Solve for x
    x = 15,869,980.82/5,285.71
  6. Step 6: Final answer
    x = 3,002.43

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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.