Home / 5,284.66-7,927.59-1,389.14

Finding the Fourth Proportional to 5,284.66, 7,927.59 and 1,389.14

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Solution

The fourth proportional to 5,284.66, 7,927.59 and 1,389.14 is: 2,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.66 : 7,927.59 = 1,389.14 : x
  2. Step 2: Convert to fraction form
    5,284.66/7,927.59 = 1,389.14/x
  3. Step 3: Cross multiply
    5,284.66x = 7,927.59 × 1,389.14
  4. Step 4: Simplify right side
    5,284.66x = 11,012,532.37
  5. Step 5: Solve for x
    x = 11,012,532.37/5,284.66
  6. Step 6: Final answer
    x = 2,083.87

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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.