Home / 7,040.45-10,562.74-3,143.95

Finding the Fourth Proportional to 7,040.45, 10,562.74 and 3,143.95

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Solution

The fourth proportional to 7,040.45, 10,562.74 and 3,143.95 is: 4,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.45 : 10,562.74 = 3,143.95 : x
  2. Step 2: Convert to fraction form
    7,040.45/10,562.74 = 3,143.95/x
  3. Step 3: Cross multiply
    7,040.45x = 10,562.74 × 3,143.95
  4. Step 4: Simplify right side
    7,040.45x = 33,208,692.16
  5. Step 5: Solve for x
    x = 33,208,692.16/7,040.45
  6. Step 6: Final answer
    x = 4,716.84

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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.