Home / 7,255.27-10,887.76-2,638.27

Finding the Fourth Proportional to 7,255.27, 10,887.76 and 2,638.27

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Solution

The fourth proportional to 7,255.27, 10,887.76 and 2,638.27 is: 3,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.27 : 10,887.76 = 2,638.27 : x
  2. Step 2: Convert to fraction form
    7,255.27/10,887.76 = 2,638.27/x
  3. Step 3: Cross multiply
    7,255.27x = 10,887.76 × 2,638.27
  4. Step 4: Simplify right side
    7,255.27x = 28,724,867.48
  5. Step 5: Solve for x
    x = 28,724,867.48/7,255.27
  6. Step 6: Final answer
    x = 3,959.17

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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.