Home / 8,260.20-11,395.62-5,114.16

Finding the Fourth Proportional to 8,260.20, 11,395.62 and 5,114.16

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Solution

The fourth proportional to 8,260.20, 11,395.62 and 5,114.16 is: 7,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.20 : 11,395.62 = 5,114.16 : x
  2. Step 2: Convert to fraction form
    8,260.20/11,395.62 = 5,114.16/x
  3. Step 3: Cross multiply
    8,260.20x = 11,395.62 × 5,114.16
  4. Step 4: Simplify right side
    8,260.20x = 58,279,023.98
  5. Step 5: Solve for x
    x = 58,279,023.98/8,260.20
  6. Step 6: Final answer
    x = 7,055.40

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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.