Home / 6,711.28-9,261.34-3,878.53

Finding the Fourth Proportional to 6,711.28, 9,261.34 and 3,878.53

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Solution

The fourth proportional to 6,711.28, 9,261.34 and 3,878.53 is: 5,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.28 : 9,261.34 = 3,878.53 : x
  2. Step 2: Convert to fraction form
    6,711.28/9,261.34 = 3,878.53/x
  3. Step 3: Cross multiply
    6,711.28x = 9,261.34 × 3,878.53
  4. Step 4: Simplify right side
    6,711.28x = 35,920,385.03
  5. Step 5: Solve for x
    x = 35,920,385.03/6,711.28
  6. Step 6: Final answer
    x = 5,352.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.