Home / 6,730.57-9,288.49-3,898.07

Finding the Fourth Proportional to 6,730.57, 9,288.49 and 3,898.07

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Solution

The fourth proportional to 6,730.57, 9,288.49 and 3,898.07 is: 5,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.57 : 9,288.49 = 3,898.07 : x
  2. Step 2: Convert to fraction form
    6,730.57/9,288.49 = 3,898.07/x
  3. Step 3: Cross multiply
    6,730.57x = 9,288.49 × 3,898.07
  4. Step 4: Simplify right side
    6,730.57x = 36,207,184.21
  5. Step 5: Solve for x
    x = 36,207,184.21/6,730.57
  6. Step 6: Final answer
    x = 5,379.51

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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.