Home / 5,646.08-7,791.48-3,408.05

Finding the Fourth Proportional to 5,646.08, 7,791.48 and 3,408.05

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Solution

The fourth proportional to 5,646.08, 7,791.48 and 3,408.05 is: 4,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.08 : 7,791.48 = 3,408.05 : x
  2. Step 2: Convert to fraction form
    5,646.08/7,791.48 = 3,408.05/x
  3. Step 3: Cross multiply
    5,646.08x = 7,791.48 × 3,408.05
  4. Step 4: Simplify right side
    5,646.08x = 26,553,697.42
  5. Step 5: Solve for x
    x = 26,553,697.42/5,646.08
  6. Step 6: Final answer
    x = 4,703.04

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.