Home / 6,252.85-8,628.80-3,420.19

Finding the Fourth Proportional to 6,252.85, 8,628.80 and 3,420.19

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Solution

The fourth proportional to 6,252.85, 8,628.80 and 3,420.19 is: 4,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.85 : 8,628.80 = 3,420.19 : x
  2. Step 2: Convert to fraction form
    6,252.85/8,628.80 = 3,420.19/x
  3. Step 3: Cross multiply
    6,252.85x = 8,628.80 × 3,420.19
  4. Step 4: Simplify right side
    6,252.85x = 29,512,121.61
  5. Step 5: Solve for x
    x = 29,512,121.61/6,252.85
  6. Step 6: Final answer
    x = 4,719.79

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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.