Home / 8,044.40-12,068.70-3,114.20

Finding the Fourth Proportional to 8,044.40, 12,068.70 and 3,114.20

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Solution

The fourth proportional to 8,044.40, 12,068.70 and 3,114.20 is: 4,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.40 : 12,068.70 = 3,114.20 : x
  2. Step 2: Convert to fraction form
    8,044.40/12,068.70 = 3,114.20/x
  3. Step 3: Cross multiply
    8,044.40x = 12,068.70 × 3,114.20
  4. Step 4: Simplify right side
    8,044.40x = 37,584,345.54
  5. Step 5: Solve for x
    x = 37,584,345.54/8,044.40
  6. Step 6: Final answer
    x = 4,672.11

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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.