Home / 7,240.27-9,991.62-4,097.08

Finding the Fourth Proportional to 7,240.27, 9,991.62 and 4,097.08

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Solution

The fourth proportional to 7,240.27, 9,991.62 and 4,097.08 is: 5,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.27 : 9,991.62 = 4,097.08 : x
  2. Step 2: Convert to fraction form
    7,240.27/9,991.62 = 4,097.08/x
  3. Step 3: Cross multiply
    7,240.27x = 9,991.62 × 4,097.08
  4. Step 4: Simplify right side
    7,240.27x = 40,936,466.47
  5. Step 5: Solve for x
    x = 40,936,466.47/7,240.27
  6. Step 6: Final answer
    x = 5,654.00

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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.