Home / 7,716.16-10,648.29-4,179.34

Finding the Fourth Proportional to 7,716.16, 10,648.29 and 4,179.34

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Solution

The fourth proportional to 7,716.16, 10,648.29 and 4,179.34 is: 5,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.16 : 10,648.29 = 4,179.34 : x
  2. Step 2: Convert to fraction form
    7,716.16/10,648.29 = 4,179.34/x
  3. Step 3: Cross multiply
    7,716.16x = 10,648.29 × 4,179.34
  4. Step 4: Simplify right side
    7,716.16x = 44,502,824.33
  5. Step 5: Solve for x
    x = 44,502,824.33/7,716.16
  6. Step 6: Final answer
    x = 5,767.48

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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.