Home / 4,890.11-7,320.31-2,692.17

Finding the Fourth Proportional to 4,890.11, 7,320.31 and 2,692.17

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Solution

The fourth proportional to 4,890.11, 7,320.31 and 2,692.17 is: 4,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.11 : 7,320.31 = 2,692.17 : x
  2. Step 2: Convert to fraction form
    4,890.11/7,320.31 = 2,692.17/x
  3. Step 3: Cross multiply
    4,890.11x = 7,320.31 × 2,692.17
  4. Step 4: Simplify right side
    4,890.11x = 19,707,512.24
  5. Step 5: Solve for x
    x = 19,707,512.24/4,890.11
  6. Step 6: Final answer
    x = 4,030.08

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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.