Home / 9,304.81-12,840.58-5,112.97

Finding the Fourth Proportional to 9,304.81, 12,840.58 and 5,112.97

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Solution

The fourth proportional to 9,304.81, 12,840.58 and 5,112.97 is: 7,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.81 : 12,840.58 = 5,112.97 : x
  2. Step 2: Convert to fraction form
    9,304.81/12,840.58 = 5,112.97/x
  3. Step 3: Cross multiply
    9,304.81x = 12,840.58 × 5,112.97
  4. Step 4: Simplify right side
    9,304.81x = 65,653,500.32
  5. Step 5: Solve for x
    x = 65,653,500.32/9,304.81
  6. Step 6: Final answer
    x = 7,055.87

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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.