Home / 9,137.97-12,610.55-5,363.84

Finding the Fourth Proportional to 9,137.97, 12,610.55 and 5,363.84

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Solution

The fourth proportional to 9,137.97, 12,610.55 and 5,363.84 is: 7,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.97 : 12,610.55 = 5,363.84 : x
  2. Step 2: Convert to fraction form
    9,137.97/12,610.55 = 5,363.84/x
  3. Step 3: Cross multiply
    9,137.97x = 12,610.55 × 5,363.84
  4. Step 4: Simplify right side
    9,137.97x = 67,641,017.45
  5. Step 5: Solve for x
    x = 67,641,017.45/9,137.97
  6. Step 6: Final answer
    x = 7,402.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.