Home / 7,091.10-10,637.05-2,160.90

Finding the Fourth Proportional to 7,091.10, 10,637.05 and 2,160.90

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Solution

The fourth proportional to 7,091.10, 10,637.05 and 2,160.90 is: 3,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.10 : 10,637.05 = 2,160.90 : x
  2. Step 2: Convert to fraction form
    7,091.10/10,637.05 = 2,160.90/x
  3. Step 3: Cross multiply
    7,091.10x = 10,637.05 × 2,160.90
  4. Step 4: Simplify right side
    7,091.10x = 22,985,601.35
  5. Step 5: Solve for x
    x = 22,985,601.35/7,091.10
  6. Step 6: Final answer
    x = 3,241.47

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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.