Home / 5,155.60-7,114.66-2,917.44

Finding the Fourth Proportional to 5,155.60, 7,114.66 and 2,917.44

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Solution

The fourth proportional to 5,155.60, 7,114.66 and 2,917.44 is: 4,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.60 : 7,114.66 = 2,917.44 : x
  2. Step 2: Convert to fraction form
    5,155.60/7,114.66 = 2,917.44/x
  3. Step 3: Cross multiply
    5,155.60x = 7,114.66 × 2,917.44
  4. Step 4: Simplify right side
    5,155.60x = 20,756,593.67
  5. Step 5: Solve for x
    x = 20,756,593.67/5,155.60
  6. Step 6: Final answer
    x = 4,026.03

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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.