Home / 6,385.82-8,816.48-4,372.60

Finding the Fourth Proportional to 6,385.82, 8,816.48 and 4,372.60

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Solution

The fourth proportional to 6,385.82, 8,816.48 and 4,372.60 is: 6,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.82 : 8,816.48 = 4,372.60 : x
  2. Step 2: Convert to fraction form
    6,385.82/8,816.48 = 4,372.60/x
  3. Step 3: Cross multiply
    6,385.82x = 8,816.48 × 4,372.60
  4. Step 4: Simplify right side
    6,385.82x = 38,550,946.00
  5. Step 5: Solve for x
    x = 38,550,946.00/6,385.82
  6. Step 6: Final answer
    x = 6,036.96

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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.