Home / 8,001.16-12,000.69-2,378.72

Finding the Fourth Proportional to 8,001.16, 12,000.69 and 2,378.72

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Solution

The fourth proportional to 8,001.16, 12,000.69 and 2,378.72 is: 3,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.16 : 12,000.69 = 2,378.72 : x
  2. Step 2: Convert to fraction form
    8,001.16/12,000.69 = 2,378.72/x
  3. Step 3: Cross multiply
    8,001.16x = 12,000.69 × 2,378.72
  4. Step 4: Simplify right side
    8,001.16x = 28,546,209.42
  5. Step 5: Solve for x
    x = 28,546,209.42/8,001.16
  6. Step 6: Final answer
    x = 3,567.76

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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.