Home / 5,113.53-7,680.02-3,179.25

Finding the Fourth Proportional to 5,113.53, 7,680.02 and 3,179.25

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Solution

The fourth proportional to 5,113.53, 7,680.02 and 3,179.25 is: 4,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.53 : 7,680.02 = 3,179.25 : x
  2. Step 2: Convert to fraction form
    5,113.53/7,680.02 = 3,179.25/x
  3. Step 3: Cross multiply
    5,113.53x = 7,680.02 × 3,179.25
  4. Step 4: Simplify right side
    5,113.53x = 24,416,703.59
  5. Step 5: Solve for x
    x = 24,416,703.59/5,113.53
  6. Step 6: Final answer
    x = 4,774.92

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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.