Home / 7,291.10-10,936.65-4,169.90

Finding the Fourth Proportional to 7,291.10, 10,936.65 and 4,169.90

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Solution

The fourth proportional to 7,291.10, 10,936.65 and 4,169.90 is: 6,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.10 : 10,936.65 = 4,169.90 : x
  2. Step 2: Convert to fraction form
    7,291.10/10,936.65 = 4,169.90/x
  3. Step 3: Cross multiply
    7,291.10x = 10,936.65 × 4,169.90
  4. Step 4: Simplify right side
    7,291.10x = 45,604,736.84
  5. Step 5: Solve for x
    x = 45,604,736.84/7,291.10
  6. Step 6: Final answer
    x = 6,254.85

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Similar ratio
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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.