Home / 7,122.83-10,692.14-4,203.18

Finding the Fourth Proportional to 7,122.83, 10,692.14 and 4,203.18

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Solution

The fourth proportional to 7,122.83, 10,692.14 and 4,203.18 is: 6,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.83 : 10,692.14 = 4,203.18 : x
  2. Step 2: Convert to fraction form
    7,122.83/10,692.14 = 4,203.18/x
  3. Step 3: Cross multiply
    7,122.83x = 10,692.14 × 4,203.18
  4. Step 4: Simplify right side
    7,122.83x = 44,940,967.99
  5. Step 5: Solve for x
    x = 44,940,967.99/7,122.83
  6. Step 6: Final answer
    x = 6,309.43

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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.