Home / 7,968.17-10,995.75-4,431.71

Finding the Fourth Proportional to 7,968.17, 10,995.75 and 4,431.71

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Solution

The fourth proportional to 7,968.17, 10,995.75 and 4,431.71 is: 6,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.17 : 10,995.75 = 4,431.71 : x
  2. Step 2: Convert to fraction form
    7,968.17/10,995.75 = 4,431.71/x
  3. Step 3: Cross multiply
    7,968.17x = 10,995.75 × 4,431.71
  4. Step 4: Simplify right side
    7,968.17x = 48,730,002.72
  5. Step 5: Solve for x
    x = 48,730,002.72/7,968.17
  6. Step 6: Final answer
    x = 6,115.58

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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.