Home / 6,219.76-8,582.88-3,425.26

Finding the Fourth Proportional to 6,219.76, 8,582.88 and 3,425.26

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Solution

The fourth proportional to 6,219.76, 8,582.88 and 3,425.26 is: 4,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.76 : 8,582.88 = 3,425.26 : x
  2. Step 2: Convert to fraction form
    6,219.76/8,582.88 = 3,425.26/x
  3. Step 3: Cross multiply
    6,219.76x = 8,582.88 × 3,425.26
  4. Step 4: Simplify right side
    6,219.76x = 29,398,595.55
  5. Step 5: Solve for x
    x = 29,398,595.55/6,219.76
  6. Step 6: Final answer
    x = 4,726.64

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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.