Home / 9,053.35-13,581.56-2,812.21

Finding the Fourth Proportional to 9,053.35, 13,581.56 and 2,812.21

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Solution

The fourth proportional to 9,053.35, 13,581.56 and 2,812.21 is: 4,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.35 : 13,581.56 = 2,812.21 : x
  2. Step 2: Convert to fraction form
    9,053.35/13,581.56 = 2,812.21/x
  3. Step 3: Cross multiply
    9,053.35x = 13,581.56 × 2,812.21
  4. Step 4: Simplify right side
    9,053.35x = 38,194,171.92
  5. Step 5: Solve for x
    x = 38,194,171.92/9,053.35
  6. Step 6: Final answer
    x = 4,218.79

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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.