Home / 5,381.76-7,426.44-3,023.48

Finding the Fourth Proportional to 5,381.76, 7,426.44 and 3,023.48

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Solution

The fourth proportional to 5,381.76, 7,426.44 and 3,023.48 is: 4,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.76 : 7,426.44 = 3,023.48 : x
  2. Step 2: Convert to fraction form
    5,381.76/7,426.44 = 3,023.48/x
  3. Step 3: Cross multiply
    5,381.76x = 7,426.44 × 3,023.48
  4. Step 4: Simplify right side
    5,381.76x = 22,453,692.81
  5. Step 5: Solve for x
    x = 22,453,692.81/5,381.76
  6. Step 6: Final answer
    x = 4,172.18

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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.