Home / 3,927.30-5,890.95-3,392.70

Finding the Fourth Proportional to 3,927.30, 5,890.95 and 3,392.70

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Solution

The fourth proportional to 3,927.30, 5,890.95 and 3,392.70 is: 5,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.30 : 5,890.95 = 3,392.70 : x
  2. Step 2: Convert to fraction form
    3,927.30/5,890.95 = 3,392.70/x
  3. Step 3: Cross multiply
    3,927.30x = 5,890.95 × 3,392.70
  4. Step 4: Simplify right side
    3,927.30x = 19,986,226.07
  5. Step 5: Solve for x
    x = 19,986,226.07/3,927.30
  6. Step 6: Final answer
    x = 5,089.05

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1.5x scale

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.