Home / 7,190.40-10,793.70-5,554.20

Finding the Fourth Proportional to 7,190.40, 10,793.70 and 5,554.20

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Solution

The fourth proportional to 7,190.40, 10,793.70 and 5,554.20 is: 8,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.40 : 10,793.70 = 5,554.20 : x
  2. Step 2: Convert to fraction form
    7,190.40/10,793.70 = 5,554.20/x
  3. Step 3: Cross multiply
    7,190.40x = 10,793.70 × 5,554.20
  4. Step 4: Simplify right side
    7,190.40x = 59,950,368.54
  5. Step 5: Solve for x
    x = 59,950,368.54/7,190.40
  6. Step 6: Final answer
    x = 8,337.56

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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.