Home / 8,187.16-12,282.69-2,641.03

Finding the Fourth Proportional to 8,187.16, 12,282.69 and 2,641.03

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Solution

The fourth proportional to 8,187.16, 12,282.69 and 2,641.03 is: 3,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.16 : 12,282.69 = 2,641.03 : x
  2. Step 2: Convert to fraction form
    8,187.16/12,282.69 = 2,641.03/x
  3. Step 3: Cross multiply
    8,187.16x = 12,282.69 × 2,641.03
  4. Step 4: Simplify right side
    8,187.16x = 32,438,952.77
  5. Step 5: Solve for x
    x = 32,438,952.77/8,187.16
  6. Step 6: Final answer
    x = 3,962.17

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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.