Home / 8,013.13-12,001.77-4,631.78

Finding the Fourth Proportional to 8,013.13, 12,001.77 and 4,631.78

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Solution

The fourth proportional to 8,013.13, 12,001.77 and 4,631.78 is: 6,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.13 : 12,001.77 = 4,631.78 : x
  2. Step 2: Convert to fraction form
    8,013.13/12,001.77 = 4,631.78/x
  3. Step 3: Cross multiply
    8,013.13x = 12,001.77 × 4,631.78
  4. Step 4: Simplify right side
    8,013.13x = 55,589,588.26
  5. Step 5: Solve for x
    x = 55,589,588.26/8,013.13
  6. Step 6: Final answer
    x = 6,937.31

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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.