Home / 5,915.50-8,863.08-3,718.78

Finding the Fourth Proportional to 5,915.50, 8,863.08 and 3,718.78

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Solution

The fourth proportional to 5,915.50, 8,863.08 and 3,718.78 is: 5,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.50 : 8,863.08 = 3,718.78 : x
  2. Step 2: Convert to fraction form
    5,915.50/8,863.08 = 3,718.78/x
  3. Step 3: Cross multiply
    5,915.50x = 8,863.08 × 3,718.78
  4. Step 4: Simplify right side
    5,915.50x = 32,959,844.64
  5. Step 5: Solve for x
    x = 32,959,844.64/5,915.50
  6. Step 6: Final answer
    x = 5,571.78

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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.