Home / 5,207.72-7,187.46-2,969.60

Finding the Fourth Proportional to 5,207.72, 7,187.46 and 2,969.60

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Solution

The fourth proportional to 5,207.72, 7,187.46 and 2,969.60 is: 4,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.72 : 7,187.46 = 2,969.60 : x
  2. Step 2: Convert to fraction form
    5,207.72/7,187.46 = 2,969.60/x
  3. Step 3: Cross multiply
    5,207.72x = 7,187.46 × 2,969.60
  4. Step 4: Simplify right side
    5,207.72x = 21,343,881.22
  5. Step 5: Solve for x
    x = 21,343,881.22/5,207.72
  6. Step 6: Final answer
    x = 4,098.51

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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.