Home / 5,376.36-8,066.83-2,605.10

Finding the Fourth Proportional to 5,376.36, 8,066.83 and 2,605.10

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Solution

The fourth proportional to 5,376.36, 8,066.83 and 2,605.10 is: 3,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.36 : 8,066.83 = 2,605.10 : x
  2. Step 2: Convert to fraction form
    5,376.36/8,066.83 = 2,605.10/x
  3. Step 3: Cross multiply
    5,376.36x = 8,066.83 × 2,605.10
  4. Step 4: Simplify right side
    5,376.36x = 21,014,902.09
  5. Step 5: Solve for x
    x = 21,014,902.09/5,376.36
  6. Step 6: Final answer
    x = 3,908.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.