Home / 7,507.59-11,261.84-2,170.90

Finding the Fourth Proportional to 7,507.59, 11,261.84 and 2,170.90

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Solution

The fourth proportional to 7,507.59, 11,261.84 and 2,170.90 is: 3,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.59 : 11,261.84 = 2,170.90 : x
  2. Step 2: Convert to fraction form
    7,507.59/11,261.84 = 2,170.90/x
  3. Step 3: Cross multiply
    7,507.59x = 11,261.84 × 2,170.90
  4. Step 4: Simplify right side
    7,507.59x = 24,448,331.68
  5. Step 5: Solve for x
    x = 24,448,331.68/7,507.59
  6. Step 6: Final answer
    x = 3,256.48

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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.