Home / 4,422.18-6,630.84-2,079.47

Finding the Fourth Proportional to 4,422.18, 6,630.84 and 2,079.47

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Solution

The fourth proportional to 4,422.18, 6,630.84 and 2,079.47 is: 3,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.18 : 6,630.84 = 2,079.47 : x
  2. Step 2: Convert to fraction form
    4,422.18/6,630.84 = 2,079.47/x
  3. Step 3: Cross multiply
    4,422.18x = 6,630.84 × 2,079.47
  4. Step 4: Simplify right side
    4,422.18x = 13,788,599.70
  5. Step 5: Solve for x
    x = 13,788,599.70/4,422.18
  6. Step 6: Final answer
    x = 3,118.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.