Home / 7,222.28-10,829.31-2,837.34

Finding the Fourth Proportional to 7,222.28, 10,829.31 and 2,837.34

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Solution

The fourth proportional to 7,222.28, 10,829.31 and 2,837.34 is: 4,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.28 : 10,829.31 = 2,837.34 : x
  2. Step 2: Convert to fraction form
    7,222.28/10,829.31 = 2,837.34/x
  3. Step 3: Cross multiply
    7,222.28x = 10,829.31 × 2,837.34
  4. Step 4: Simplify right side
    7,222.28x = 30,726,434.44
  5. Step 5: Solve for x
    x = 30,726,434.44/7,222.28
  6. Step 6: Final answer
    x = 4,254.40

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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.