Home / 4,455.69-6,679.10-1,681.53

Finding the Fourth Proportional to 4,455.69, 6,679.10 and 1,681.53

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Solution

The fourth proportional to 4,455.69, 6,679.10 and 1,681.53 is: 2,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.69 : 6,679.10 = 1,681.53 : x
  2. Step 2: Convert to fraction form
    4,455.69/6,679.10 = 1,681.53/x
  3. Step 3: Cross multiply
    4,455.69x = 6,679.10 × 1,681.53
  4. Step 4: Simplify right side
    4,455.69x = 11,231,098.62
  5. Step 5: Solve for x
    x = 11,231,098.62/4,455.69
  6. Step 6: Final answer
    x = 2,520.62

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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.