Home / 8,040.40-12,060.60-2,117.29

Finding the Fourth Proportional to 8,040.40, 12,060.60 and 2,117.29

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Solution

The fourth proportional to 8,040.40, 12,060.60 and 2,117.29 is: 3,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.40 : 12,060.60 = 2,117.29 : x
  2. Step 2: Convert to fraction form
    8,040.40/12,060.60 = 2,117.29/x
  3. Step 3: Cross multiply
    8,040.40x = 12,060.60 × 2,117.29
  4. Step 4: Simplify right side
    8,040.40x = 25,535,787.77
  5. Step 5: Solve for x
    x = 25,535,787.77/8,040.40
  6. Step 6: Final answer
    x = 3,175.94

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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.