Home / 7,833.24-10,807.68-5,040.36

Finding the Fourth Proportional to 7,833.24, 10,807.68 and 5,040.36

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Solution

The fourth proportional to 7,833.24, 10,807.68 and 5,040.36 is: 6,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.24 : 10,807.68 = 5,040.36 : x
  2. Step 2: Convert to fraction form
    7,833.24/10,807.68 = 5,040.36/x
  3. Step 3: Cross multiply
    7,833.24x = 10,807.68 × 5,040.36
  4. Step 4: Simplify right side
    7,833.24x = 54,474,597.96
  5. Step 5: Solve for x
    x = 54,474,597.96/7,833.24
  6. Step 6: Final answer
    x = 6,954.29

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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.