Home / 8,031.34-12,047.33-2,187.93

Finding the Fourth Proportional to 8,031.34, 12,047.33 and 2,187.93

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Solution

The fourth proportional to 8,031.34, 12,047.33 and 2,187.93 is: 3,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.34 : 12,047.33 = 2,187.93 : x
  2. Step 2: Convert to fraction form
    8,031.34/12,047.33 = 2,187.93/x
  3. Step 3: Cross multiply
    8,031.34x = 12,047.33 × 2,187.93
  4. Step 4: Simplify right side
    8,031.34x = 26,358,714.73
  5. Step 5: Solve for x
    x = 26,358,714.73/8,031.34
  6. Step 6: Final answer
    x = 3,281.98

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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.