Home / 8,119.84-12,180.98-2,924.50

Finding the Fourth Proportional to 8,119.84, 12,180.98 and 2,924.50

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Solution

The fourth proportional to 8,119.84, 12,180.98 and 2,924.50 is: 4,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.84 : 12,180.98 = 2,924.50 : x
  2. Step 2: Convert to fraction form
    8,119.84/12,180.98 = 2,924.50/x
  3. Step 3: Cross multiply
    8,119.84x = 12,180.98 × 2,924.50
  4. Step 4: Simplify right side
    8,119.84x = 35,623,276.01
  5. Step 5: Solve for x
    x = 35,623,276.01/8,119.84
  6. Step 6: Final answer
    x = 4,387.19

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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.