Home / 8,053.20-12,072.60-5,281.20

Finding the Fourth Proportional to 8,053.20, 12,072.60 and 5,281.20

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Solution

The fourth proportional to 8,053.20, 12,072.60 and 5,281.20 is: 7,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.20 : 12,072.60 = 5,281.20 : x
  2. Step 2: Convert to fraction form
    8,053.20/12,072.60 = 5,281.20/x
  3. Step 3: Cross multiply
    8,053.20x = 12,072.60 × 5,281.20
  4. Step 4: Simplify right side
    8,053.20x = 63,757,815.12
  5. Step 5: Solve for x
    x = 63,757,815.12/8,053.20
  6. Step 6: Final answer
    x = 7,917.08

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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.