Home / 7,776.29-10,731.25-4,418.94

Finding the Fourth Proportional to 7,776.29, 10,731.25 and 4,418.94

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Solution

The fourth proportional to 7,776.29, 10,731.25 and 4,418.94 is: 6,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.29 : 10,731.25 = 4,418.94 : x
  2. Step 2: Convert to fraction form
    7,776.29/10,731.25 = 4,418.94/x
  3. Step 3: Cross multiply
    7,776.29x = 10,731.25 × 4,418.94
  4. Step 4: Simplify right side
    7,776.29x = 47,420,749.88
  5. Step 5: Solve for x
    x = 47,420,749.88/7,776.29
  6. Step 6: Final answer
    x = 6,098.12

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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.