Home / 5,177.36-7,766.05-1,281.77

Finding the Fourth Proportional to 5,177.36, 7,766.05 and 1,281.77

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Solution

The fourth proportional to 5,177.36, 7,766.05 and 1,281.77 is: 1,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.36 : 7,766.05 = 1,281.77 : x
  2. Step 2: Convert to fraction form
    5,177.36/7,766.05 = 1,281.77/x
  3. Step 3: Cross multiply
    5,177.36x = 7,766.05 × 1,281.77
  4. Step 4: Simplify right side
    5,177.36x = 9,954,283.50
  5. Step 5: Solve for x
    x = 9,954,283.50/5,177.36
  6. Step 6: Final answer
    x = 1,922.65

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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.