Home / 5,614.49-8,421.81-2,692.11

Finding the Fourth Proportional to 5,614.49, 8,421.81 and 2,692.11

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Solution

The fourth proportional to 5,614.49, 8,421.81 and 2,692.11 is: 4,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.49 : 8,421.81 = 2,692.11 : x
  2. Step 2: Convert to fraction form
    5,614.49/8,421.81 = 2,692.11/x
  3. Step 3: Cross multiply
    5,614.49x = 8,421.81 × 2,692.11
  4. Step 4: Simplify right side
    5,614.49x = 22,672,438.92
  5. Step 5: Solve for x
    x = 22,672,438.92/5,614.49
  6. Step 6: Final answer
    x = 4,038.20

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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.