Home / 7,507.70-11,261.55-3,610.10

Finding the Fourth Proportional to 7,507.70, 11,261.55 and 3,610.10

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Solution

The fourth proportional to 7,507.70, 11,261.55 and 3,610.10 is: 5,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.70 : 11,261.55 = 3,610.10 : x
  2. Step 2: Convert to fraction form
    7,507.70/11,261.55 = 3,610.10/x
  3. Step 3: Cross multiply
    7,507.70x = 11,261.55 × 3,610.10
  4. Step 4: Simplify right side
    7,507.70x = 40,655,321.66
  5. Step 5: Solve for x
    x = 40,655,321.66/7,507.70
  6. Step 6: Final answer
    x = 5,415.15

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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.