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Finding the Fourth Proportional to 6,141.30, 9,211.95 and 2,685.30

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Solution

The fourth proportional to 6,141.30, 9,211.95 and 2,685.30 is: 4,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.30 : 9,211.95 = 2,685.30 : x
  2. Step 2: Convert to fraction form
    6,141.30/9,211.95 = 2,685.30/x
  3. Step 3: Cross multiply
    6,141.30x = 9,211.95 × 2,685.30
  4. Step 4: Simplify right side
    6,141.30x = 24,736,849.34
  5. Step 5: Solve for x
    x = 24,736,849.34/6,141.30
  6. Step 6: Final answer
    x = 4,027.95

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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.