Home / 5,287.71-7,931.66-2,002.35

Finding the Fourth Proportional to 5,287.71, 7,931.66 and 2,002.35

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Solution

The fourth proportional to 5,287.71, 7,931.66 and 2,002.35 is: 3,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.71 : 7,931.66 = 2,002.35 : x
  2. Step 2: Convert to fraction form
    5,287.71/7,931.66 = 2,002.35/x
  3. Step 3: Cross multiply
    5,287.71x = 7,931.66 × 2,002.35
  4. Step 4: Simplify right side
    5,287.71x = 15,881,959.40
  5. Step 5: Solve for x
    x = 15,881,959.40/5,287.71
  6. Step 6: Final answer
    x = 3,003.56

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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.