Home / 8,701.06-12,007.86-5,343.21

Finding the Fourth Proportional to 8,701.06, 12,007.86 and 5,343.21

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Solution

The fourth proportional to 8,701.06, 12,007.86 and 5,343.21 is: 7,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.06 : 12,007.86 = 5,343.21 : x
  2. Step 2: Convert to fraction form
    8,701.06/12,007.86 = 5,343.21/x
  3. Step 3: Cross multiply
    8,701.06x = 12,007.86 × 5,343.21
  4. Step 4: Simplify right side
    8,701.06x = 64,160,517.63
  5. Step 5: Solve for x
    x = 64,160,517.63/8,701.06
  6. Step 6: Final answer
    x = 7,373.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.