Home / 5,284.19-7,926.29-1,388.58

Finding the Fourth Proportional to 5,284.19, 7,926.29 and 1,388.58

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Solution

The fourth proportional to 5,284.19, 7,926.29 and 1,388.58 is: 2,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.19 : 7,926.29 = 1,388.58 : x
  2. Step 2: Convert to fraction form
    5,284.19/7,926.29 = 1,388.58/x
  3. Step 3: Cross multiply
    5,284.19x = 7,926.29 × 1,388.58
  4. Step 4: Simplify right side
    5,284.19x = 11,006,280.83
  5. Step 5: Solve for x
    x = 11,006,280.83/5,284.19
  6. Step 6: Final answer
    x = 2,082.87

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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.