Home / 8,126.34-12,189.47-2,282.91

Finding the Fourth Proportional to 8,126.34, 12,189.47 and 2,282.91

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Solution

The fourth proportional to 8,126.34, 12,189.47 and 2,282.91 is: 3,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.34 : 12,189.47 = 2,282.91 : x
  2. Step 2: Convert to fraction form
    8,126.34/12,189.47 = 2,282.91/x
  3. Step 3: Cross multiply
    8,126.34x = 12,189.47 × 2,282.91
  4. Step 4: Simplify right side
    8,126.34x = 27,827,451.54
  5. Step 5: Solve for x
    x = 27,827,451.54/8,126.34
  6. Step 6: Final answer
    x = 3,424.35

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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.