Home / 7,310.24-10,085.64-4,164.20

Finding the Fourth Proportional to 7,310.24, 10,085.64 and 4,164.20

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Solution

The fourth proportional to 7,310.24, 10,085.64 and 4,164.20 is: 5,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.24 : 10,085.64 = 4,164.20 : x
  2. Step 2: Convert to fraction form
    7,310.24/10,085.64 = 4,164.20/x
  3. Step 3: Cross multiply
    7,310.24x = 10,085.64 × 4,164.20
  4. Step 4: Simplify right side
    7,310.24x = 41,998,622.09
  5. Step 5: Solve for x
    x = 41,998,622.09/7,310.24
  6. Step 6: Final answer
    x = 5,745.18

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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.