Home / 5,455.09-7,527.76-3,097.18

Finding the Fourth Proportional to 5,455.09, 7,527.76 and 3,097.18

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Solution

The fourth proportional to 5,455.09, 7,527.76 and 3,097.18 is: 4,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.09 : 7,527.76 = 3,097.18 : x
  2. Step 2: Convert to fraction form
    5,455.09/7,527.76 = 3,097.18/x
  3. Step 3: Cross multiply
    5,455.09x = 7,527.76 × 3,097.18
  4. Step 4: Simplify right side
    5,455.09x = 23,314,801.15
  5. Step 5: Solve for x
    x = 23,314,801.15/5,455.09
  6. Step 6: Final answer
    x = 4,273.96

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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.