Home / 4,960.89-7,442.28-1,630.08

Finding the Fourth Proportional to 4,960.89, 7,442.28 and 1,630.08

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Solution

The fourth proportional to 4,960.89, 7,442.28 and 1,630.08 is: 2,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.89 : 7,442.28 = 1,630.08 : x
  2. Step 2: Convert to fraction form
    4,960.89/7,442.28 = 1,630.08/x
  3. Step 3: Cross multiply
    4,960.89x = 7,442.28 × 1,630.08
  4. Step 4: Simplify right side
    4,960.89x = 12,131,511.78
  5. Step 5: Solve for x
    x = 12,131,511.78/4,960.89
  6. Step 6: Final answer
    x = 2,445.43

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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.