Home / 7,127.49-10,692.45-2,447.95

Finding the Fourth Proportional to 7,127.49, 10,692.45 and 2,447.95

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Solution

The fourth proportional to 7,127.49, 10,692.45 and 2,447.95 is: 3,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.49 : 10,692.45 = 2,447.95 : x
  2. Step 2: Convert to fraction form
    7,127.49/10,692.45 = 2,447.95/x
  3. Step 3: Cross multiply
    7,127.49x = 10,692.45 × 2,447.95
  4. Step 4: Simplify right side
    7,127.49x = 26,174,570.74
  5. Step 5: Solve for x
    x = 26,174,570.74/7,127.49
  6. Step 6: Final answer
    x = 3,672.34

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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.