Home / 7,553.09-10,422.78-4,720.31

Finding the Fourth Proportional to 7,553.09, 10,422.78 and 4,720.31

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Solution

The fourth proportional to 7,553.09, 10,422.78 and 4,720.31 is: 6,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.09 : 10,422.78 = 4,720.31 : x
  2. Step 2: Convert to fraction form
    7,553.09/10,422.78 = 4,720.31/x
  3. Step 3: Cross multiply
    7,553.09x = 10,422.78 × 4,720.31
  4. Step 4: Simplify right side
    7,553.09x = 49,198,752.66
  5. Step 5: Solve for x
    x = 49,198,752.66/7,553.09
  6. Step 6: Final answer
    x = 6,513.73

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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.