Home / 7,262.10-10,889.76-2,876.55

Finding the Fourth Proportional to 7,262.10, 10,889.76 and 2,876.55

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Solution

The fourth proportional to 7,262.10, 10,889.76 and 2,876.55 is: 4,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.10 : 10,889.76 = 2,876.55 : x
  2. Step 2: Convert to fraction form
    7,262.10/10,889.76 = 2,876.55/x
  3. Step 3: Cross multiply
    7,262.10x = 10,889.76 × 2,876.55
  4. Step 4: Simplify right side
    7,262.10x = 31,324,939.13
  5. Step 5: Solve for x
    x = 31,324,939.13/7,262.10
  6. Step 6: Final answer
    x = 4,313.48

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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.