Home / 9,159.20-13,738.80-2,585.30

Finding the Fourth Proportional to 9,159.20, 13,738.80 and 2,585.30

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Solution

The fourth proportional to 9,159.20, 13,738.80 and 2,585.30 is: 3,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.20 : 13,738.80 = 2,585.30 : x
  2. Step 2: Convert to fraction form
    9,159.20/13,738.80 = 2,585.30/x
  3. Step 3: Cross multiply
    9,159.20x = 13,738.80 × 2,585.30
  4. Step 4: Simplify right side
    9,159.20x = 35,518,919.64
  5. Step 5: Solve for x
    x = 35,518,919.64/9,159.20
  6. Step 6: Final answer
    x = 3,877.95

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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.