Home / 6,276.15-8,658.36-3,914.19

Finding the Fourth Proportional to 6,276.15, 8,658.36 and 3,914.19

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Solution

The fourth proportional to 6,276.15, 8,658.36 and 3,914.19 is: 5,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.15 : 8,658.36 = 3,914.19 : x
  2. Step 2: Convert to fraction form
    6,276.15/8,658.36 = 3,914.19/x
  3. Step 3: Cross multiply
    6,276.15x = 8,658.36 × 3,914.19
  4. Step 4: Simplify right side
    6,276.15x = 33,890,466.13
  5. Step 5: Solve for x
    x = 33,890,466.13/6,276.15
  6. Step 6: Final answer
    x = 5,399.88

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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.