Home / 8,031.58-12,045.85-2,186.82

Finding the Fourth Proportional to 8,031.58, 12,045.85 and 2,186.82

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Solution

The fourth proportional to 8,031.58, 12,045.85 and 2,186.82 is: 3,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.58 : 12,045.85 = 2,186.82 : x
  2. Step 2: Convert to fraction form
    8,031.58/12,045.85 = 2,186.82/x
  3. Step 3: Cross multiply
    8,031.58x = 12,045.85 × 2,186.82
  4. Step 4: Simplify right side
    8,031.58x = 26,342,100.23
  5. Step 5: Solve for x
    x = 26,342,100.23/8,031.58
  6. Step 6: Final answer
    x = 3,279.82

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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.