Home / 5,151.60-7,727.76-2,230.08

Finding the Fourth Proportional to 5,151.60, 7,727.76 and 2,230.08

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Solution

The fourth proportional to 5,151.60, 7,727.76 and 2,230.08 is: 3,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.60 : 7,727.76 = 2,230.08 : x
  2. Step 2: Convert to fraction form
    5,151.60/7,727.76 = 2,230.08/x
  3. Step 3: Cross multiply
    5,151.60x = 7,727.76 × 2,230.08
  4. Step 4: Simplify right side
    5,151.60x = 17,233,523.02
  5. Step 5: Solve for x
    x = 17,233,523.02/5,151.60
  6. Step 6: Final answer
    x = 3,345.28

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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.