Home / 7,721.22-10,655.49-4,363.96

Finding the Fourth Proportional to 7,721.22, 10,655.49 and 4,363.96

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Solution

The fourth proportional to 7,721.22, 10,655.49 and 4,363.96 is: 6,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.22 : 10,655.49 = 4,363.96 : x
  2. Step 2: Convert to fraction form
    7,721.22/10,655.49 = 4,363.96/x
  3. Step 3: Cross multiply
    7,721.22x = 10,655.49 × 4,363.96
  4. Step 4: Simplify right side
    7,721.22x = 46,500,132.14
  5. Step 5: Solve for x
    x = 46,500,132.14/7,721.22
  6. Step 6: Final answer
    x = 6,022.38

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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.