Home / 7,717.16-10,649.68-4,180.38

Finding the Fourth Proportional to 7,717.16, 10,649.68 and 4,180.38

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Solution

The fourth proportional to 7,717.16, 10,649.68 and 4,180.38 is: 5,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.16 : 10,649.68 = 4,180.38 : x
  2. Step 2: Convert to fraction form
    7,717.16/10,649.68 = 4,180.38/x
  3. Step 3: Cross multiply
    7,717.16x = 10,649.68 × 4,180.38
  4. Step 4: Simplify right side
    7,717.16x = 44,519,709.28
  5. Step 5: Solve for x
    x = 44,519,709.28/7,717.16
  6. Step 6: Final answer
    x = 5,768.92

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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.