Home / 7,289.87-10,937.88-3,592.13

Finding the Fourth Proportional to 7,289.87, 10,937.88 and 3,592.13

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Solution

The fourth proportional to 7,289.87, 10,937.88 and 3,592.13 is: 5,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.87 : 10,937.88 = 3,592.13 : x
  2. Step 2: Convert to fraction form
    7,289.87/10,937.88 = 3,592.13/x
  3. Step 3: Cross multiply
    7,289.87x = 10,937.88 × 3,592.13
  4. Step 4: Simplify right side
    7,289.87x = 39,290,286.88
  5. Step 5: Solve for x
    x = 39,290,286.88/7,289.87
  6. Step 6: Final answer
    x = 5,389.71

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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.