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Finding the Fourth Proportional to 6,880.44, 9,502.80 and 5,327.40

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Solution

The fourth proportional to 6,880.44, 9,502.80 and 5,327.40 is: 7,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.44 : 9,502.80 = 5,327.40 : x
  2. Step 2: Convert to fraction form
    6,880.44/9,502.80 = 5,327.40/x
  3. Step 3: Cross multiply
    6,880.44x = 9,502.80 × 5,327.40
  4. Step 4: Simplify right side
    6,880.44x = 50,625,216.72
  5. Step 5: Solve for x
    x = 50,625,216.72/6,880.44
  6. Step 6: Final answer
    x = 7,357.85

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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.