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Finding the Fourth Proportional to 6,425.34, 9,634.53 and 2,959.50

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Solution

The fourth proportional to 6,425.34, 9,634.53 and 2,959.50 is: 4,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.34 : 9,634.53 = 2,959.50 : x
  2. Step 2: Convert to fraction form
    6,425.34/9,634.53 = 2,959.50/x
  3. Step 3: Cross multiply
    6,425.34x = 9,634.53 × 2,959.50
  4. Step 4: Simplify right side
    6,425.34x = 28,513,391.54
  5. Step 5: Solve for x
    x = 28,513,391.54/6,425.34
  6. Step 6: Final answer
    x = 4,437.65

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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.