Home / 8,304.29-12,431.81-5,007.38

Finding the Fourth Proportional to 8,304.29, 12,431.81 and 5,007.38

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Solution

The fourth proportional to 8,304.29, 12,431.81 and 5,007.38 is: 7,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.29 : 12,431.81 = 5,007.38 : x
  2. Step 2: Convert to fraction form
    8,304.29/12,431.81 = 5,007.38/x
  3. Step 3: Cross multiply
    8,304.29x = 12,431.81 × 5,007.38
  4. Step 4: Simplify right side
    8,304.29x = 62,250,840.36
  5. Step 5: Solve for x
    x = 62,250,840.36/8,304.29
  6. Step 6: Final answer
    x = 7,496.23

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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.