Home / 9,335.45-14,005.90-2,761.80

Finding the Fourth Proportional to 9,335.45, 14,005.90 and 2,761.80

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Solution

The fourth proportional to 9,335.45, 14,005.90 and 2,761.80 is: 4,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.45 : 14,005.90 = 2,761.80 : x
  2. Step 2: Convert to fraction form
    9,335.45/14,005.90 = 2,761.80/x
  3. Step 3: Cross multiply
    9,335.45x = 14,005.90 × 2,761.80
  4. Step 4: Simplify right side
    9,335.45x = 38,681,487.72
  5. Step 5: Solve for x
    x = 38,681,487.72/9,335.45
  6. Step 6: Final answer
    x = 4,143.51

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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.