Home / 4,509.39-6,764.29-1,389.17

Finding the Fourth Proportional to 4,509.39, 6,764.29 and 1,389.17

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Solution

The fourth proportional to 4,509.39, 6,764.29 and 1,389.17 is: 2,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.39 : 6,764.29 = 1,389.17 : x
  2. Step 2: Convert to fraction form
    4,509.39/6,764.29 = 1,389.17/x
  3. Step 3: Cross multiply
    4,509.39x = 6,764.29 × 1,389.17
  4. Step 4: Simplify right side
    4,509.39x = 9,396,748.74
  5. Step 5: Solve for x
    x = 9,396,748.74/4,509.39
  6. Step 6: Final answer
    x = 2,083.82

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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.