Home / 6,915.40-10,367.22-3,016.90

Finding the Fourth Proportional to 6,915.40, 10,367.22 and 3,016.90

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Solution

The fourth proportional to 6,915.40, 10,367.22 and 3,016.90 is: 4,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.40 : 10,367.22 = 3,016.90 : x
  2. Step 2: Convert to fraction form
    6,915.40/10,367.22 = 3,016.90/x
  3. Step 3: Cross multiply
    6,915.40x = 10,367.22 × 3,016.90
  4. Step 4: Simplify right side
    6,915.40x = 31,276,866.02
  5. Step 5: Solve for x
    x = 31,276,866.02/6,915.40
  6. Step 6: Final answer
    x = 4,522.78

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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.