Home / 5,570.94-8,356.65-3,121.38

Finding the Fourth Proportional to 5,570.94, 8,356.65 and 3,121.38

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Solution

The fourth proportional to 5,570.94, 8,356.65 and 3,121.38 is: 4,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.94 : 8,356.65 = 3,121.38 : x
  2. Step 2: Convert to fraction form
    5,570.94/8,356.65 = 3,121.38/x
  3. Step 3: Cross multiply
    5,570.94x = 8,356.65 × 3,121.38
  4. Step 4: Simplify right side
    5,570.94x = 26,084,280.18
  5. Step 5: Solve for x
    x = 26,084,280.18/5,570.94
  6. Step 6: Final answer
    x = 4,682.20

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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.