Home / 5,807.12-8,013.81-3,289.23

Finding the Fourth Proportional to 5,807.12, 8,013.81 and 3,289.23

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Solution

The fourth proportional to 5,807.12, 8,013.81 and 3,289.23 is: 4,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.12 : 8,013.81 = 3,289.23 : x
  2. Step 2: Convert to fraction form
    5,807.12/8,013.81 = 3,289.23/x
  3. Step 3: Cross multiply
    5,807.12x = 8,013.81 × 3,289.23
  4. Step 4: Simplify right side
    5,807.12x = 26,359,264.27
  5. Step 5: Solve for x
    x = 26,359,264.27/5,807.12
  6. Step 6: Final answer
    x = 4,539.13

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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.