Home / 6,263.60-8,643.86-3,469.12

Finding the Fourth Proportional to 6,263.60, 8,643.86 and 3,469.12

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Solution

The fourth proportional to 6,263.60, 8,643.86 and 3,469.12 is: 4,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.60 : 8,643.86 = 3,469.12 : x
  2. Step 2: Convert to fraction form
    6,263.60/8,643.86 = 3,469.12/x
  3. Step 3: Cross multiply
    6,263.60x = 8,643.86 × 3,469.12
  4. Step 4: Simplify right side
    6,263.60x = 29,986,587.60
  5. Step 5: Solve for x
    x = 29,986,587.60/6,263.60
  6. Step 6: Final answer
    x = 4,787.44

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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.