Home / 7,221.36-10,830.24-2,026.20

Finding the Fourth Proportional to 7,221.36, 10,830.24 and 2,026.20

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Solution

The fourth proportional to 7,221.36, 10,830.24 and 2,026.20 is: 3,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.36 : 10,830.24 = 2,026.20 : x
  2. Step 2: Convert to fraction form
    7,221.36/10,830.24 = 2,026.20/x
  3. Step 3: Cross multiply
    7,221.36x = 10,830.24 × 2,026.20
  4. Step 4: Simplify right side
    7,221.36x = 21,944,232.29
  5. Step 5: Solve for x
    x = 21,944,232.29/7,221.36
  6. Step 6: Final answer
    x = 3,038.79

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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.