Home / 7,243.86-9,996.75-5,090.70

Finding the Fourth Proportional to 7,243.86, 9,996.75 and 5,090.70

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Solution

The fourth proportional to 7,243.86, 9,996.75 and 5,090.70 is: 7,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.86 : 9,996.75 = 5,090.70 : x
  2. Step 2: Convert to fraction form
    7,243.86/9,996.75 = 5,090.70/x
  3. Step 3: Cross multiply
    7,243.86x = 9,996.75 × 5,090.70
  4. Step 4: Simplify right side
    7,243.86x = 50,890,455.23
  5. Step 5: Solve for x
    x = 50,890,455.23/7,243.86
  6. Step 6: Final answer
    x = 7,025.32

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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.