Home / 8,187.12-12,282.17-4,681.08

Finding the Fourth Proportional to 8,187.12, 12,282.17 and 4,681.08

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Solution

The fourth proportional to 8,187.12, 12,282.17 and 4,681.08 is: 7,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.12 : 12,282.17 = 4,681.08 : x
  2. Step 2: Convert to fraction form
    8,187.12/12,282.17 = 4,681.08/x
  3. Step 3: Cross multiply
    8,187.12x = 12,282.17 × 4,681.08
  4. Step 4: Simplify right side
    8,187.12x = 57,493,796.94
  5. Step 5: Solve for x
    x = 57,493,796.94/8,187.12
  6. Step 6: Final answer
    x = 7,022.47

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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.