Home / 7,151.08-10,718.33-4,231.84

Finding the Fourth Proportional to 7,151.08, 10,718.33 and 4,231.84

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Solution

The fourth proportional to 7,151.08, 10,718.33 and 4,231.84 is: 6,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.08 : 10,718.33 = 4,231.84 : x
  2. Step 2: Convert to fraction form
    7,151.08/10,718.33 = 4,231.84/x
  3. Step 3: Cross multiply
    7,151.08x = 10,718.33 × 4,231.84
  4. Step 4: Simplify right side
    7,151.08x = 45,358,257.63
  5. Step 5: Solve for x
    x = 45,358,257.63/7,151.08
  6. Step 6: Final answer
    x = 6,342.85

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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.