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Finding the Fourth Proportional to 6,230.70, 8,597.88 and 3,872.40

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Solution

The fourth proportional to 6,230.70, 8,597.88 and 3,872.40 is: 5,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230.70 : 8,597.88 = 3,872.40 : x
  2. Step 2: Convert to fraction form
    6,230.70/8,597.88 = 3,872.40/x
  3. Step 3: Cross multiply
    6,230.70x = 8,597.88 × 3,872.40
  4. Step 4: Simplify right side
    6,230.70x = 33,294,430.51
  5. Step 5: Solve for x
    x = 33,294,430.51/6,230.70
  6. Step 6: Final answer
    x = 5,343.61

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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.