Home / 8,692.64-13,038.82-3,498.38

Finding the Fourth Proportional to 8,692.64, 13,038.82 and 3,498.38

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Solution

The fourth proportional to 8,692.64, 13,038.82 and 3,498.38 is: 5,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.64 : 13,038.82 = 3,498.38 : x
  2. Step 2: Convert to fraction form
    8,692.64/13,038.82 = 3,498.38/x
  3. Step 3: Cross multiply
    8,692.64x = 13,038.82 × 3,498.38
  4. Step 4: Simplify right side
    8,692.64x = 45,614,673.17
  5. Step 5: Solve for x
    x = 45,614,673.17/8,692.64
  6. Step 6: Final answer
    x = 5,247.51

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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.