Home / 6,261.40-8,640.54-4,169.32

Finding the Fourth Proportional to 6,261.40, 8,640.54 and 4,169.32

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Solution

The fourth proportional to 6,261.40, 8,640.54 and 4,169.32 is: 5,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.40 : 8,640.54 = 4,169.32 : x
  2. Step 2: Convert to fraction form
    6,261.40/8,640.54 = 4,169.32/x
  3. Step 3: Cross multiply
    6,261.40x = 8,640.54 × 4,169.32
  4. Step 4: Simplify right side
    6,261.40x = 36,025,176.23
  5. Step 5: Solve for x
    x = 36,025,176.23/6,261.40
  6. Step 6: Final answer
    x = 5,753.53

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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.