Home / 9,304.05-12,839.45-5,112.21

Finding the Fourth Proportional to 9,304.05, 12,839.45 and 5,112.21

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Solution

The fourth proportional to 9,304.05, 12,839.45 and 5,112.21 is: 7,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.05 : 12,839.45 = 5,112.21 : x
  2. Step 2: Convert to fraction form
    9,304.05/12,839.45 = 5,112.21/x
  3. Step 3: Cross multiply
    9,304.05x = 12,839.45 × 5,112.21
  4. Step 4: Simplify right side
    9,304.05x = 65,637,939.12
  5. Step 5: Solve for x
    x = 65,637,939.12/9,304.05
  6. Step 6: Final answer
    x = 7,054.77

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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.