Home / 7,218.05-10,827.15-2,538.19

Finding the Fourth Proportional to 7,218.05, 10,827.15 and 2,538.19

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Solution

The fourth proportional to 7,218.05, 10,827.15 and 2,538.19 is: 3,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.05 : 10,827.15 = 2,538.19 : x
  2. Step 2: Convert to fraction form
    7,218.05/10,827.15 = 2,538.19/x
  3. Step 3: Cross multiply
    7,218.05x = 10,827.15 × 2,538.19
  4. Step 4: Simplify right side
    7,218.05x = 27,481,363.86
  5. Step 5: Solve for x
    x = 27,481,363.86/7,218.05
  6. Step 6: Final answer
    x = 3,807.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.