Home / 5,376.34-8,066.78-2,605.07

Finding the Fourth Proportional to 5,376.34, 8,066.78 and 2,605.07

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Solution

The fourth proportional to 5,376.34, 8,066.78 and 2,605.07 is: 3,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.34 : 8,066.78 = 2,605.07 : x
  2. Step 2: Convert to fraction form
    5,376.34/8,066.78 = 2,605.07/x
  3. Step 3: Cross multiply
    5,376.34x = 8,066.78 × 2,605.07
  4. Step 4: Simplify right side
    5,376.34x = 21,014,553.25
  5. Step 5: Solve for x
    x = 21,014,553.25/5,376.34
  6. Step 6: Final answer
    x = 3,908.71

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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.