Home / 8,001.16-12,001.70-4,103.40

Finding the Fourth Proportional to 8,001.16, 12,001.70 and 4,103.40

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Solution

The fourth proportional to 8,001.16, 12,001.70 and 4,103.40 is: 6,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.16 : 12,001.70 = 4,103.40 : x
  2. Step 2: Convert to fraction form
    8,001.16/12,001.70 = 4,103.40/x
  3. Step 3: Cross multiply
    8,001.16x = 12,001.70 × 4,103.40
  4. Step 4: Simplify right side
    8,001.16x = 49,247,775.78
  5. Step 5: Solve for x
    x = 49,247,775.78/8,001.16
  6. Step 6: Final answer
    x = 6,155.08

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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.