Home / 7,089.26-10,639.35-5,705.98

Finding the Fourth Proportional to 7,089.26, 10,639.35 and 5,705.98

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Solution

The fourth proportional to 7,089.26, 10,639.35 and 5,705.98 is: 8,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.26 : 10,639.35 = 5,705.98 : x
  2. Step 2: Convert to fraction form
    7,089.26/10,639.35 = 5,705.98/x
  3. Step 3: Cross multiply
    7,089.26x = 10,639.35 × 5,705.98
  4. Step 4: Simplify right side
    7,089.26x = 60,707,891.71
  5. Step 5: Solve for x
    x = 60,707,891.71/7,089.26
  6. Step 6: Final answer
    x = 8,563.37

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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.