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Finding the Fourth Proportional to 6,405.86, 9,607.16 and 2,894.52

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Solution

The fourth proportional to 6,405.86, 9,607.16 and 2,894.52 is: 4,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.86 : 9,607.16 = 2,894.52 : x
  2. Step 2: Convert to fraction form
    6,405.86/9,607.16 = 2,894.52/x
  3. Step 3: Cross multiply
    6,405.86x = 9,607.16 × 2,894.52
  4. Step 4: Simplify right side
    6,405.86x = 27,808,116.76
  5. Step 5: Solve for x
    x = 27,808,116.76/6,405.86
  6. Step 6: Final answer
    x = 4,341.04

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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.