Home / 4,422.96-6,630.21-1,647.72

Finding the Fourth Proportional to 4,422.96, 6,630.21 and 1,647.72

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Solution

The fourth proportional to 4,422.96, 6,630.21 and 1,647.72 is: 2,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.96 : 6,630.21 = 1,647.72 : x
  2. Step 2: Convert to fraction form
    4,422.96/6,630.21 = 1,647.72/x
  3. Step 3: Cross multiply
    4,422.96x = 6,630.21 × 1,647.72
  4. Step 4: Simplify right side
    4,422.96x = 10,924,729.62
  5. Step 5: Solve for x
    x = 10,924,729.62/4,422.96
  6. Step 6: Final answer
    x = 2,470.00

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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.