Home / 5,589.07-8,386.00-1,891.69

Finding the Fourth Proportional to 5,589.07, 8,386.00 and 1,891.69

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Solution

The fourth proportional to 5,589.07, 8,386.00 and 1,891.69 is: 2,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.07 : 8,386.00 = 1,891.69 : x
  2. Step 2: Convert to fraction form
    5,589.07/8,386.00 = 1,891.69/x
  3. Step 3: Cross multiply
    5,589.07x = 8,386.00 × 1,891.69
  4. Step 4: Simplify right side
    5,589.07x = 15,863,686.65
  5. Step 5: Solve for x
    x = 15,863,686.65/5,589.07
  6. Step 6: Final answer
    x = 2,838.34

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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.