Home / 6,788.90-10,185.57-4,287.20

Finding the Fourth Proportional to 6,788.90, 10,185.57 and 4,287.20

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Solution

The fourth proportional to 6,788.90, 10,185.57 and 4,287.20 is: 6,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.90 : 10,185.57 = 4,287.20 : x
  2. Step 2: Convert to fraction form
    6,788.90/10,185.57 = 4,287.20/x
  3. Step 3: Cross multiply
    6,788.90x = 10,185.57 × 4,287.20
  4. Step 4: Simplify right side
    6,788.90x = 43,667,524.78
  5. Step 5: Solve for x
    x = 43,667,524.78/6,788.90
  6. Step 6: Final answer
    x = 6,432.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.