Home / 9,152.04-13,728.88-2,578.30

Finding the Fourth Proportional to 9,152.04, 13,728.88 and 2,578.30

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Solution

The fourth proportional to 9,152.04, 13,728.88 and 2,578.30 is: 3,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.04 : 13,728.88 = 2,578.30 : x
  2. Step 2: Convert to fraction form
    9,152.04/13,728.88 = 2,578.30/x
  3. Step 3: Cross multiply
    9,152.04x = 13,728.88 × 2,578.30
  4. Step 4: Simplify right side
    9,152.04x = 35,397,171.30
  5. Step 5: Solve for x
    x = 35,397,171.30/9,152.04
  6. Step 6: Final answer
    x = 3,867.68

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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.