Home / 6,255.08-8,639.12-4,262.20

Finding the Fourth Proportional to 6,255.08, 8,639.12 and 4,262.20

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Solution

The fourth proportional to 6,255.08, 8,639.12 and 4,262.20 is: 5,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.08 : 8,639.12 = 4,262.20 : x
  2. Step 2: Convert to fraction form
    6,255.08/8,639.12 = 4,262.20/x
  3. Step 3: Cross multiply
    6,255.08x = 8,639.12 × 4,262.20
  4. Step 4: Simplify right side
    6,255.08x = 36,821,657.26
  5. Step 5: Solve for x
    x = 36,821,657.26/6,255.08
  6. Step 6: Final answer
    x = 5,886.68

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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.