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Finding the Fourth Proportional to 7,259.52, 10,889.24 and 2,642.52

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Solution

The fourth proportional to 7,259.52, 10,889.24 and 2,642.52 is: 3,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.52 : 10,889.24 = 2,642.52 : x
  2. Step 2: Convert to fraction form
    7,259.52/10,889.24 = 2,642.52/x
  3. Step 3: Cross multiply
    7,259.52x = 10,889.24 × 2,642.52
  4. Step 4: Simplify right side
    7,259.52x = 28,775,034.48
  5. Step 5: Solve for x
    x = 28,775,034.48/7,259.52
  6. Step 6: Final answer
    x = 3,963.77

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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.