Home / 6,445.96-9,669.78-2,061.88

Finding the Fourth Proportional to 6,445.96, 9,669.78 and 2,061.88

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Solution

The fourth proportional to 6,445.96, 9,669.78 and 2,061.88 is: 3,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.96 : 9,669.78 = 2,061.88 : x
  2. Step 2: Convert to fraction form
    6,445.96/9,669.78 = 2,061.88/x
  3. Step 3: Cross multiply
    6,445.96x = 9,669.78 × 2,061.88
  4. Step 4: Simplify right side
    6,445.96x = 19,937,925.99
  5. Step 5: Solve for x
    x = 19,937,925.99/6,445.96
  6. Step 6: Final answer
    x = 3,093.09

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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.