Home / 9,282.28-12,809.28-5,090.44

Finding the Fourth Proportional to 9,282.28, 12,809.28 and 5,090.44

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Solution

The fourth proportional to 9,282.28, 12,809.28 and 5,090.44 is: 7,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.28 : 12,809.28 = 5,090.44 : x
  2. Step 2: Convert to fraction form
    9,282.28/12,809.28 = 5,090.44/x
  3. Step 3: Cross multiply
    9,282.28x = 12,809.28 × 5,090.44
  4. Step 4: Simplify right side
    9,282.28x = 65,204,871.28
  5. Step 5: Solve for x
    x = 65,204,871.28/9,282.28
  6. Step 6: Final answer
    x = 7,024.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.