Home / 5,272.08-7,908.16-2,151.25

Finding the Fourth Proportional to 5,272.08, 7,908.16 and 2,151.25

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Solution

The fourth proportional to 5,272.08, 7,908.16 and 2,151.25 is: 3,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.08 : 7,908.16 = 2,151.25 : x
  2. Step 2: Convert to fraction form
    5,272.08/7,908.16 = 2,151.25/x
  3. Step 3: Cross multiply
    5,272.08x = 7,908.16 × 2,151.25
  4. Step 4: Simplify right side
    5,272.08x = 17,012,429.20
  5. Step 5: Solve for x
    x = 17,012,429.20/5,272.08
  6. Step 6: Final answer
    x = 3,226.89

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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.