Home / 8,686.17-13,031.09-3,349.49

Finding the Fourth Proportional to 8,686.17, 13,031.09 and 3,349.49

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Solution

The fourth proportional to 8,686.17, 13,031.09 and 3,349.49 is: 5,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.17 : 13,031.09 = 3,349.49 : x
  2. Step 2: Convert to fraction form
    8,686.17/13,031.09 = 3,349.49/x
  3. Step 3: Cross multiply
    8,686.17x = 13,031.09 × 3,349.49
  4. Step 4: Simplify right side
    8,686.17x = 43,647,423.74
  5. Step 5: Solve for x
    x = 43,647,423.74/8,686.17
  6. Step 6: Final answer
    x = 5,024.93

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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.