Home / 4,917.28-6,795.12-3,877.60

Finding the Fourth Proportional to 4,917.28, 6,795.12 and 3,877.60

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Solution

The fourth proportional to 4,917.28, 6,795.12 and 3,877.60 is: 5,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.28 : 6,795.12 = 3,877.60 : x
  2. Step 2: Convert to fraction form
    4,917.28/6,795.12 = 3,877.60/x
  3. Step 3: Cross multiply
    4,917.28x = 6,795.12 × 3,877.60
  4. Step 4: Simplify right side
    4,917.28x = 26,348,757.31
  5. Step 5: Solve for x
    x = 26,348,757.31/4,917.28
  6. Step 6: Final answer
    x = 5,358.40

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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.