Home / 4,915.20-7,378.24-2,726.08

Finding the Fourth Proportional to 4,915.20, 7,378.24 and 2,726.08

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Solution

The fourth proportional to 4,915.20, 7,378.24 and 2,726.08 is: 4,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.20 : 7,378.24 = 2,726.08 : x
  2. Step 2: Convert to fraction form
    4,915.20/7,378.24 = 2,726.08/x
  3. Step 3: Cross multiply
    4,915.20x = 7,378.24 × 2,726.08
  4. Step 4: Simplify right side
    4,915.20x = 20,113,672.50
  5. Step 5: Solve for x
    x = 20,113,672.50/4,915.20
  6. Step 6: Final answer
    x = 4,092.14

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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.