Home / 5,130.35-7,692.31-2,167.27

Finding the Fourth Proportional to 5,130.35, 7,692.31 and 2,167.27

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Solution

The fourth proportional to 5,130.35, 7,692.31 and 2,167.27 is: 3,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.35 : 7,692.31 = 2,167.27 : x
  2. Step 2: Convert to fraction form
    5,130.35/7,692.31 = 2,167.27/x
  3. Step 3: Cross multiply
    5,130.35x = 7,692.31 × 2,167.27
  4. Step 4: Simplify right side
    5,130.35x = 16,671,312.69
  5. Step 5: Solve for x
    x = 16,671,312.69/5,130.35
  6. Step 6: Final answer
    x = 3,249.55

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1.5x scale

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.