Home / 6,254.28-8,630.88-3,421.61

Finding the Fourth Proportional to 6,254.28, 8,630.88 and 3,421.61

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Solution

The fourth proportional to 6,254.28, 8,630.88 and 3,421.61 is: 4,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.28 : 8,630.88 = 3,421.61 : x
  2. Step 2: Convert to fraction form
    6,254.28/8,630.88 = 3,421.61/x
  3. Step 3: Cross multiply
    6,254.28x = 8,630.88 × 3,421.61
  4. Step 4: Simplify right side
    6,254.28x = 29,531,482.62
  5. Step 5: Solve for x
    x = 29,531,482.62/6,254.28
  6. Step 6: Final answer
    x = 4,721.80

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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.