Home / 5,151.65-7,727.52-3,407.84

Finding the Fourth Proportional to 5,151.65, 7,727.52 and 3,407.84

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Solution

The fourth proportional to 5,151.65, 7,727.52 and 3,407.84 is: 5,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.65 : 7,727.52 = 3,407.84 : x
  2. Step 2: Convert to fraction form
    5,151.65/7,727.52 = 3,407.84/x
  3. Step 3: Cross multiply
    5,151.65x = 7,727.52 × 3,407.84
  4. Step 4: Simplify right side
    5,151.65x = 26,334,151.76
  5. Step 5: Solve for x
    x = 26,334,151.76/5,151.65
  6. Step 6: Final answer
    x = 5,111.79

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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.