Home / 7,020.68-10,534.26-3,127.64

Finding the Fourth Proportional to 7,020.68, 10,534.26 and 3,127.64

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Solution

The fourth proportional to 7,020.68, 10,534.26 and 3,127.64 is: 4,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.68 : 10,534.26 = 3,127.64 : x
  2. Step 2: Convert to fraction form
    7,020.68/10,534.26 = 3,127.64/x
  3. Step 3: Cross multiply
    7,020.68x = 10,534.26 × 3,127.64
  4. Step 4: Simplify right side
    7,020.68x = 32,947,372.95
  5. Step 5: Solve for x
    x = 32,947,372.95/7,020.68
  6. Step 6: Final answer
    x = 4,692.90

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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.