Home / 7,875.26-11,813.12-2,031.87

Finding the Fourth Proportional to 7,875.26, 11,813.12 and 2,031.87

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Solution

The fourth proportional to 7,875.26, 11,813.12 and 2,031.87 is: 3,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.26 : 11,813.12 = 2,031.87 : x
  2. Step 2: Convert to fraction form
    7,875.26/11,813.12 = 2,031.87/x
  3. Step 3: Cross multiply
    7,875.26x = 11,813.12 × 2,031.87
  4. Step 4: Simplify right side
    7,875.26x = 24,002,724.13
  5. Step 5: Solve for x
    x = 24,002,724.13/7,875.26
  6. Step 6: Final answer
    x = 3,047.86

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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.