Home / 8,072.18-11,139.60-4,487.02

Finding the Fourth Proportional to 8,072.18, 11,139.60 and 4,487.02

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Solution

The fourth proportional to 8,072.18, 11,139.60 and 4,487.02 is: 6,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.18 : 11,139.60 = 4,487.02 : x
  2. Step 2: Convert to fraction form
    8,072.18/11,139.60 = 4,487.02/x
  3. Step 3: Cross multiply
    8,072.18x = 11,139.60 × 4,487.02
  4. Step 4: Simplify right side
    8,072.18x = 49,983,585.56
  5. Step 5: Solve for x
    x = 49,983,585.56/8,072.18
  6. Step 6: Final answer
    x = 6,192.08

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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.