Home / 7,937.83-11,908.41-2,391.58

Finding the Fourth Proportional to 7,937.83, 11,908.41 and 2,391.58

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Solution

The fourth proportional to 7,937.83, 11,908.41 and 2,391.58 is: 3,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.83 : 11,908.41 = 2,391.58 : x
  2. Step 2: Convert to fraction form
    7,937.83/11,908.41 = 2,391.58/x
  3. Step 3: Cross multiply
    7,937.83x = 11,908.41 × 2,391.58
  4. Step 4: Simplify right side
    7,937.83x = 28,479,915.19
  5. Step 5: Solve for x
    x = 28,479,915.19/7,937.83
  6. Step 6: Final answer
    x = 3,587.87

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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.