Home / 9,200.28-13,801.20-2,874.72

Finding the Fourth Proportional to 9,200.28, 13,801.20 and 2,874.72

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Solution

The fourth proportional to 9,200.28, 13,801.20 and 2,874.72 is: 4,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.28 : 13,801.20 = 2,874.72 : x
  2. Step 2: Convert to fraction form
    9,200.28/13,801.20 = 2,874.72/x
  3. Step 3: Cross multiply
    9,200.28x = 13,801.20 × 2,874.72
  4. Step 4: Simplify right side
    9,200.28x = 39,674,585.66
  5. Step 5: Solve for x
    x = 39,674,585.66/9,200.28
  6. Step 6: Final answer
    x = 4,312.32

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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.