Home / 5,284.46-7,926.09-1,389.17

Finding the Fourth Proportional to 5,284.46, 7,926.09 and 1,389.17

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Solution

The fourth proportional to 5,284.46, 7,926.09 and 1,389.17 is: 2,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.46 : 7,926.09 = 1,389.17 : x
  2. Step 2: Convert to fraction form
    5,284.46/7,926.09 = 1,389.17/x
  3. Step 3: Cross multiply
    5,284.46x = 7,926.09 × 1,389.17
  4. Step 4: Simplify right side
    5,284.46x = 11,010,686.45
  5. Step 5: Solve for x
    x = 11,010,686.45/5,284.46
  6. Step 6: Final answer
    x = 2,083.60

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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.