Home / 4,229.90-6,342.60-1,307.42

Finding the Fourth Proportional to 4,229.90, 6,342.60 and 1,307.42

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Solution

The fourth proportional to 4,229.90, 6,342.60 and 1,307.42 is: 1,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.90 : 6,342.60 = 1,307.42 : x
  2. Step 2: Convert to fraction form
    4,229.90/6,342.60 = 1,307.42/x
  3. Step 3: Cross multiply
    4,229.90x = 6,342.60 × 1,307.42
  4. Step 4: Simplify right side
    4,229.90x = 8,292,442.09
  5. Step 5: Solve for x
    x = 8,292,442.09/4,229.90
  6. Step 6: Final answer
    x = 1,960.43

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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.