Home / 7,382.89-10,188.00-4,195.76

Finding the Fourth Proportional to 7,382.89, 10,188.00 and 4,195.76

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Solution

The fourth proportional to 7,382.89, 10,188.00 and 4,195.76 is: 5,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.89 : 10,188.00 = 4,195.76 : x
  2. Step 2: Convert to fraction form
    7,382.89/10,188.00 = 4,195.76/x
  3. Step 3: Cross multiply
    7,382.89x = 10,188.00 × 4,195.76
  4. Step 4: Simplify right side
    7,382.89x = 42,746,433.97
  5. Step 5: Solve for x
    x = 42,746,433.97/7,382.89
  6. Step 6: Final answer
    x = 5,789.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.