Home / 5,291.11-7,937.18-1,960.24

Finding the Fourth Proportional to 5,291.11, 7,937.18 and 1,960.24

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Solution

The fourth proportional to 5,291.11, 7,937.18 and 1,960.24 is: 2,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.11 : 7,937.18 = 1,960.24 : x
  2. Step 2: Convert to fraction form
    5,291.11/7,937.18 = 1,960.24/x
  3. Step 3: Cross multiply
    5,291.11x = 7,937.18 × 1,960.24
  4. Step 4: Simplify right side
    5,291.11x = 15,558,777.72
  5. Step 5: Solve for x
    x = 15,558,777.72/5,291.11
  6. Step 6: Final answer
    x = 2,940.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.