Home / 4,681.42-7,023.75-3,127.66

Finding the Fourth Proportional to 4,681.42, 7,023.75 and 3,127.66

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Solution

The fourth proportional to 4,681.42, 7,023.75 and 3,127.66 is: 4,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.42 : 7,023.75 = 3,127.66 : x
  2. Step 2: Convert to fraction form
    4,681.42/7,023.75 = 3,127.66/x
  3. Step 3: Cross multiply
    4,681.42x = 7,023.75 × 3,127.66
  4. Step 4: Simplify right side
    4,681.42x = 21,967,901.93
  5. Step 5: Solve for x
    x = 21,967,901.93/4,681.42
  6. Step 6: Final answer
    x = 4,692.57

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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.