Home / 6,339.28-8,751.27-4,218.35

Finding the Fourth Proportional to 6,339.28, 8,751.27 and 4,218.35

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Solution

The fourth proportional to 6,339.28, 8,751.27 and 4,218.35 is: 5,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.28 : 8,751.27 = 4,218.35 : x
  2. Step 2: Convert to fraction form
    6,339.28/8,751.27 = 4,218.35/x
  3. Step 3: Cross multiply
    6,339.28x = 8,751.27 × 4,218.35
  4. Step 4: Simplify right side
    6,339.28x = 36,915,854.96
  5. Step 5: Solve for x
    x = 36,915,854.96/6,339.28
  6. Step 6: Final answer
    x = 5,823.36

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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.