Home / 5,287.72-7,931.66-2,002.36

Finding the Fourth Proportional to 5,287.72, 7,931.66 and 2,002.36

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Solution

The fourth proportional to 5,287.72, 7,931.66 and 2,002.36 is: 3,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.72 : 7,931.66 = 2,002.36 : x
  2. Step 2: Convert to fraction form
    5,287.72/7,931.66 = 2,002.36/x
  3. Step 3: Cross multiply
    5,287.72x = 7,931.66 × 2,002.36
  4. Step 4: Simplify right side
    5,287.72x = 15,882,038.72
  5. Step 5: Solve for x
    x = 15,882,038.72/5,287.72
  6. Step 6: Final answer
    x = 3,003.57

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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.