Home / 6,915.36-10,367.64-3,455.04

Finding the Fourth Proportional to 6,915.36, 10,367.64 and 3,455.04

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Solution

The fourth proportional to 6,915.36, 10,367.64 and 3,455.04 is: 5,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.36 : 10,367.64 = 3,455.04 : x
  2. Step 2: Convert to fraction form
    6,915.36/10,367.64 = 3,455.04/x
  3. Step 3: Cross multiply
    6,915.36x = 10,367.64 × 3,455.04
  4. Step 4: Simplify right side
    6,915.36x = 35,820,610.91
  5. Step 5: Solve for x
    x = 35,820,610.91/6,915.36
  6. Step 6: Final answer
    x = 5,179.86

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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.