Home / 6,231.26-8,592.56-4,815.20

Finding the Fourth Proportional to 6,231.26, 8,592.56 and 4,815.20

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Solution

The fourth proportional to 6,231.26, 8,592.56 and 4,815.20 is: 6,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.26 : 8,592.56 = 4,815.20 : x
  2. Step 2: Convert to fraction form
    6,231.26/8,592.56 = 4,815.20/x
  3. Step 3: Cross multiply
    6,231.26x = 8,592.56 × 4,815.20
  4. Step 4: Simplify right side
    6,231.26x = 41,374,894.91
  5. Step 5: Solve for x
    x = 41,374,894.91/6,231.26
  6. Step 6: Final answer
    x = 6,639.89

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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.