Home / 5,207.63-7,186.32-2,969.87

Finding the Fourth Proportional to 5,207.63, 7,186.32 and 2,969.87

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Solution

The fourth proportional to 5,207.63, 7,186.32 and 2,969.87 is: 4,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.63 : 7,186.32 = 2,969.87 : x
  2. Step 2: Convert to fraction form
    5,207.63/7,186.32 = 2,969.87/x
  3. Step 3: Cross multiply
    5,207.63x = 7,186.32 × 2,969.87
  4. Step 4: Simplify right side
    5,207.63x = 21,342,400.25
  5. Step 5: Solve for x
    x = 21,342,400.25/5,207.63
  6. Step 6: Final answer
    x = 4,098.30

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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.