Home / 4,917.20-7,373.24-1,838.80

Finding the Fourth Proportional to 4,917.20, 7,373.24 and 1,838.80

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Solution

The fourth proportional to 4,917.20, 7,373.24 and 1,838.80 is: 2,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.20 : 7,373.24 = 1,838.80 : x
  2. Step 2: Convert to fraction form
    4,917.20/7,373.24 = 1,838.80/x
  3. Step 3: Cross multiply
    4,917.20x = 7,373.24 × 1,838.80
  4. Step 4: Simplify right side
    4,917.20x = 13,557,913.71
  5. Step 5: Solve for x
    x = 13,557,913.71/4,917.20
  6. Step 6: Final answer
    x = 2,757.24

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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.