Home / 5,359.32-8,040.23-1,661.36

Finding the Fourth Proportional to 5,359.32, 8,040.23 and 1,661.36

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Solution

The fourth proportional to 5,359.32, 8,040.23 and 1,661.36 is: 2,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.32 : 8,040.23 = 1,661.36 : x
  2. Step 2: Convert to fraction form
    5,359.32/8,040.23 = 1,661.36/x
  3. Step 3: Cross multiply
    5,359.32x = 8,040.23 × 1,661.36
  4. Step 4: Simplify right side
    5,359.32x = 13,357,716.51
  5. Step 5: Solve for x
    x = 13,357,716.51/5,359.32
  6. Step 6: Final answer
    x = 2,492.43

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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.