Home / 4,774.23-7,189.37-4,165.20

Finding the Fourth Proportional to 4,774.23, 7,189.37 and 4,165.20

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Solution

The fourth proportional to 4,774.23, 7,189.37 and 4,165.20 is: 6,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.23 : 7,189.37 = 4,165.20 : x
  2. Step 2: Convert to fraction form
    4,774.23/7,189.37 = 4,165.20/x
  3. Step 3: Cross multiply
    4,774.23x = 7,189.37 × 4,165.20
  4. Step 4: Simplify right side
    4,774.23x = 29,945,143.10
  5. Step 5: Solve for x
    x = 29,945,143.10/4,774.23
  6. Step 6: Final answer
    x = 6,272.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.