Home / 5,277.27-7,285.95-3,389.61

Finding the Fourth Proportional to 5,277.27, 7,285.95 and 3,389.61

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Solution

The fourth proportional to 5,277.27, 7,285.95 and 3,389.61 is: 4,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.27 : 7,285.95 = 3,389.61 : x
  2. Step 2: Convert to fraction form
    5,277.27/7,285.95 = 3,389.61/x
  3. Step 3: Cross multiply
    5,277.27x = 7,285.95 × 3,389.61
  4. Step 4: Simplify right side
    5,277.27x = 24,696,556.30
  5. Step 5: Solve for x
    x = 24,696,556.30/5,277.27
  6. Step 6: Final answer
    x = 4,679.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.