Home / 4,117.78-6,161.22-2,445.77

Finding the Fourth Proportional to 4,117.78, 6,161.22 and 2,445.77

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Solution

The fourth proportional to 4,117.78, 6,161.22 and 2,445.77 is: 3,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.78 : 6,161.22 = 2,445.77 : x
  2. Step 2: Convert to fraction form
    4,117.78/6,161.22 = 2,445.77/x
  3. Step 3: Cross multiply
    4,117.78x = 6,161.22 × 2,445.77
  4. Step 4: Simplify right side
    4,117.78x = 15,068,927.04
  5. Step 5: Solve for x
    x = 15,068,927.04/4,117.78
  6. Step 6: Final answer
    x = 3,659.48

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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.