Home / 7,090.88-10,610.40-4,170.56

Finding the Fourth Proportional to 7,090.88, 10,610.40 and 4,170.56

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Solution

The fourth proportional to 7,090.88, 10,610.40 and 4,170.56 is: 6,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.88 : 10,610.40 = 4,170.56 : x
  2. Step 2: Convert to fraction form
    7,090.88/10,610.40 = 4,170.56/x
  3. Step 3: Cross multiply
    7,090.88x = 10,610.40 × 4,170.56
  4. Step 4: Simplify right side
    7,090.88x = 44,251,309.82
  5. Step 5: Solve for x
    x = 44,251,309.82/7,090.88
  6. Step 6: Final answer
    x = 6,240.59

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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.