Home / 8,389.62-11,576.85-5,031.84

Finding the Fourth Proportional to 8,389.62, 11,576.85 and 5,031.84

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Solution

The fourth proportional to 8,389.62, 11,576.85 and 5,031.84 is: 6,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.62 : 11,576.85 = 5,031.84 : x
  2. Step 2: Convert to fraction form
    8,389.62/11,576.85 = 5,031.84/x
  3. Step 3: Cross multiply
    8,389.62x = 11,576.85 × 5,031.84
  4. Step 4: Simplify right side
    8,389.62x = 58,252,856.90
  5. Step 5: Solve for x
    x = 58,252,856.90/8,389.62
  6. Step 6: Final answer
    x = 6,943.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.