Home / 4,658.78-6,427.55-3,164.11

Finding the Fourth Proportional to 4,658.78, 6,427.55 and 3,164.11

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Solution

The fourth proportional to 4,658.78, 6,427.55 and 3,164.11 is: 4,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.78 : 6,427.55 = 3,164.11 : x
  2. Step 2: Convert to fraction form
    4,658.78/6,427.55 = 3,164.11/x
  3. Step 3: Cross multiply
    4,658.78x = 6,427.55 × 3,164.11
  4. Step 4: Simplify right side
    4,658.78x = 20,337,427.27
  5. Step 5: Solve for x
    x = 20,337,427.27/4,658.78
  6. Step 6: Final answer
    x = 4,365.40

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Half scale
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Double 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.