Home / 5,168.94-7,749.75-2,669.05

Finding the Fourth Proportional to 5,168.94, 7,749.75 and 2,669.05

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Solution

The fourth proportional to 5,168.94, 7,749.75 and 2,669.05 is: 4,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.94 : 7,749.75 = 2,669.05 : x
  2. Step 2: Convert to fraction form
    5,168.94/7,749.75 = 2,669.05/x
  3. Step 3: Cross multiply
    5,168.94x = 7,749.75 × 2,669.05
  4. Step 4: Simplify right side
    5,168.94x = 20,684,482.43
  5. Step 5: Solve for x
    x = 20,684,482.43/5,168.94
  6. Step 6: Final answer
    x = 4,001.69

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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.