Home / 4,459.09-6,688.65-1,171.91

Finding the Fourth Proportional to 4,459.09, 6,688.65 and 1,171.91

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Solution

The fourth proportional to 4,459.09, 6,688.65 and 1,171.91 is: 1,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.09 : 6,688.65 = 1,171.91 : x
  2. Step 2: Convert to fraction form
    4,459.09/6,688.65 = 1,171.91/x
  3. Step 3: Cross multiply
    4,459.09x = 6,688.65 × 1,171.91
  4. Step 4: Simplify right side
    4,459.09x = 7,838,462.38
  5. Step 5: Solve for x
    x = 7,838,462.38/4,459.09
  6. Step 6: Final answer
    x = 1,757.86

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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.