Home / 7,948.20-10,968.65-4,411.43

Finding the Fourth Proportional to 7,948.20, 10,968.65 and 4,411.43

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Solution

The fourth proportional to 7,948.20, 10,968.65 and 4,411.43 is: 6,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.20 : 10,968.65 = 4,411.43 : x
  2. Step 2: Convert to fraction form
    7,948.20/10,968.65 = 4,411.43/x
  3. Step 3: Cross multiply
    7,948.20x = 10,968.65 × 4,411.43
  4. Step 4: Simplify right side
    7,948.20x = 48,387,431.67
  5. Step 5: Solve for x
    x = 48,387,431.67/7,948.20
  6. Step 6: Final answer
    x = 6,087.85

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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.