Home / 4,459.84-6,689.49-1,172.86

Finding the Fourth Proportional to 4,459.84, 6,689.49 and 1,172.86

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Solution

The fourth proportional to 4,459.84, 6,689.49 and 1,172.86 is: 1,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.84 : 6,689.49 = 1,172.86 : x
  2. Step 2: Convert to fraction form
    4,459.84/6,689.49 = 1,172.86/x
  3. Step 3: Cross multiply
    4,459.84x = 6,689.49 × 1,172.86
  4. Step 4: Simplify right side
    4,459.84x = 7,845,835.24
  5. Step 5: Solve for x
    x = 7,845,835.24/4,459.84
  6. Step 6: Final answer
    x = 1,759.22

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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.