Home / 7,243.09-9,995.29-4,259.12

Finding the Fourth Proportional to 7,243.09, 9,995.29 and 4,259.12

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Solution

The fourth proportional to 7,243.09, 9,995.29 and 4,259.12 is: 5,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.09 : 9,995.29 = 4,259.12 : x
  2. Step 2: Convert to fraction form
    7,243.09/9,995.29 = 4,259.12/x
  3. Step 3: Cross multiply
    7,243.09x = 9,995.29 × 4,259.12
  4. Step 4: Simplify right side
    7,243.09x = 42,571,078.92
  5. Step 5: Solve for x
    x = 42,571,078.92/7,243.09
  6. Step 6: Final answer
    x = 5,877.48

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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.