Home / 5,561.90-8,343.98-2,275.26

Finding the Fourth Proportional to 5,561.90, 8,343.98 and 2,275.26

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Solution

The fourth proportional to 5,561.90, 8,343.98 and 2,275.26 is: 3,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.90 : 8,343.98 = 2,275.26 : x
  2. Step 2: Convert to fraction form
    5,561.90/8,343.98 = 2,275.26/x
  3. Step 3: Cross multiply
    5,561.90x = 8,343.98 × 2,275.26
  4. Step 4: Simplify right side
    5,561.90x = 18,984,689.80
  5. Step 5: Solve for x
    x = 18,984,689.80/5,561.90
  6. Step 6: Final answer
    x = 3,413.35

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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.