Home / 8,126.76-12,188.34-2,283.24

Finding the Fourth Proportional to 8,126.76, 12,188.34 and 2,283.24

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Solution

The fourth proportional to 8,126.76, 12,188.34 and 2,283.24 is: 3,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.76 : 12,188.34 = 2,283.24 : x
  2. Step 2: Convert to fraction form
    8,126.76/12,188.34 = 2,283.24/x
  3. Step 3: Cross multiply
    8,126.76x = 12,188.34 × 2,283.24
  4. Step 4: Simplify right side
    8,126.76x = 27,828,905.42
  5. Step 5: Solve for x
    x = 27,828,905.42/8,126.76
  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.