Home / 7,110.11-9,812.36-4,124.85

Finding the Fourth Proportional to 7,110.11, 9,812.36 and 4,124.85

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Solution

The fourth proportional to 7,110.11, 9,812.36 and 4,124.85 is: 5,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.11 : 9,812.36 = 4,124.85 : x
  2. Step 2: Convert to fraction form
    7,110.11/9,812.36 = 4,124.85/x
  3. Step 3: Cross multiply
    7,110.11x = 9,812.36 × 4,124.85
  4. Step 4: Simplify right side
    7,110.11x = 40,474,523.46
  5. Step 5: Solve for x
    x = 40,474,523.46/7,110.11
  6. Step 6: Final answer
    x = 5,692.54

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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.