Home / 4,117.90-6,177.22-1,343.86

Finding the Fourth Proportional to 4,117.90, 6,177.22 and 1,343.86

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Solution

The fourth proportional to 4,117.90, 6,177.22 and 1,343.86 is: 2,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.90 : 6,177.22 = 1,343.86 : x
  2. Step 2: Convert to fraction form
    4,117.90/6,177.22 = 1,343.86/x
  3. Step 3: Cross multiply
    4,117.90x = 6,177.22 × 1,343.86
  4. Step 4: Simplify right side
    4,117.90x = 8,301,318.87
  5. Step 5: Solve for x
    x = 8,301,318.87/4,117.90
  6. Step 6: Final answer
    x = 2,015.91

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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.