Home / 6,112.40-8,434.45-3,459.29

Finding the Fourth Proportional to 6,112.40, 8,434.45 and 3,459.29

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Solution

The fourth proportional to 6,112.40, 8,434.45 and 3,459.29 is: 4,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.40 : 8,434.45 = 3,459.29 : x
  2. Step 2: Convert to fraction form
    6,112.40/8,434.45 = 3,459.29/x
  3. Step 3: Cross multiply
    6,112.40x = 8,434.45 × 3,459.29
  4. Step 4: Simplify right side
    6,112.40x = 29,177,157.72
  5. Step 5: Solve for x
    x = 29,177,157.72/6,112.40
  6. Step 6: Final answer
    x = 4,773.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.