Home / 7,378.23-10,167.79-4,721.03

Finding the Fourth Proportional to 7,378.23, 10,167.79 and 4,721.03

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Solution

The fourth proportional to 7,378.23, 10,167.79 and 4,721.03 is: 6,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.23 : 10,167.79 = 4,721.03 : x
  2. Step 2: Convert to fraction form
    7,378.23/10,167.79 = 4,721.03/x
  3. Step 3: Cross multiply
    7,378.23x = 10,167.79 × 4,721.03
  4. Step 4: Simplify right side
    7,378.23x = 48,002,441.62
  5. Step 5: Solve for x
    x = 48,002,441.62/7,378.23
  6. Step 6: Final answer
    x = 6,505.96

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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.