Home / 4,118.12-6,177.20-1,040.12

Finding the Fourth Proportional to 4,118.12, 6,177.20 and 1,040.12

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Solution

The fourth proportional to 4,118.12, 6,177.20 and 1,040.12 is: 1,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.12 : 6,177.20 = 1,040.12 : x
  2. Step 2: Convert to fraction form
    4,118.12/6,177.20 = 1,040.12/x
  3. Step 3: Cross multiply
    4,118.12x = 6,177.20 × 1,040.12
  4. Step 4: Simplify right side
    4,118.12x = 6,425,029.26
  5. Step 5: Solve for x
    x = 6,425,029.26/4,118.12
  6. Step 6: Final answer
    x = 1,560.19

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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.