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Finding the Fourth Proportional to 6,405.09, 9,601.95 and 3,071.52

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Solution

The fourth proportional to 6,405.09, 9,601.95 and 3,071.52 is: 4,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.09 : 9,601.95 = 3,071.52 : x
  2. Step 2: Convert to fraction form
    6,405.09/9,601.95 = 3,071.52/x
  3. Step 3: Cross multiply
    6,405.09x = 9,601.95 × 3,071.52
  4. Step 4: Simplify right side
    6,405.09x = 29,492,581.46
  5. Step 5: Solve for x
    x = 29,492,581.46/6,405.09
  6. Step 6: Final answer
    x = 4,604.55

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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.