Home / 5,207.80-7,186.69-2,969.60

Finding the Fourth Proportional to 5,207.80, 7,186.69 and 2,969.60

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Solution

The fourth proportional to 5,207.80, 7,186.69 and 2,969.60 is: 4,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.80 : 7,186.69 = 2,969.60 : x
  2. Step 2: Convert to fraction form
    5,207.80/7,186.69 = 2,969.60/x
  3. Step 3: Cross multiply
    5,207.80x = 7,186.69 × 2,969.60
  4. Step 4: Simplify right side
    5,207.80x = 21,341,558.69
  5. Step 5: Solve for x
    x = 21,341,558.69/5,207.80
  6. Step 6: Final answer
    x = 4,098.00

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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.