Home / 7,919.16-10,930.10-6,591.57

Finding the Fourth Proportional to 7,919.16, 10,930.10 and 6,591.57

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Solution

The fourth proportional to 7,919.16, 10,930.10 and 6,591.57 is: 9,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.16 : 10,930.10 = 6,591.57 : x
  2. Step 2: Convert to fraction form
    7,919.16/10,930.10 = 6,591.57/x
  3. Step 3: Cross multiply
    7,919.16x = 10,930.10 × 6,591.57
  4. Step 4: Simplify right side
    7,919.16x = 72,046,519.26
  5. Step 5: Solve for x
    x = 72,046,519.26/7,919.16
  6. Step 6: Final answer
    x = 9,097.75

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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.