Home / 7,218.78-10,827.27-2,025.06

Finding the Fourth Proportional to 7,218.78, 10,827.27 and 2,025.06

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Solution

The fourth proportional to 7,218.78, 10,827.27 and 2,025.06 is: 3,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.78 : 10,827.27 = 2,025.06 : x
  2. Step 2: Convert to fraction form
    7,218.78/10,827.27 = 2,025.06/x
  3. Step 3: Cross multiply
    7,218.78x = 10,827.27 × 2,025.06
  4. Step 4: Simplify right side
    7,218.78x = 21,925,871.39
  5. Step 5: Solve for x
    x = 21,925,871.39/7,218.78
  6. Step 6: Final answer
    x = 3,037.34

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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.