Home / 7,770.92-10,716.63-5,113.72

Finding the Fourth Proportional to 7,770.92, 10,716.63 and 5,113.72

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Solution

The fourth proportional to 7,770.92, 10,716.63 and 5,113.72 is: 7,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.92 : 10,716.63 = 5,113.72 : x
  2. Step 2: Convert to fraction form
    7,770.92/10,716.63 = 5,113.72/x
  3. Step 3: Cross multiply
    7,770.92x = 10,716.63 × 5,113.72
  4. Step 4: Simplify right side
    7,770.92x = 54,801,791.58
  5. Step 5: Solve for x
    x = 54,801,791.58/7,770.92
  6. Step 6: Final answer
    x = 7,052.16

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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.