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Finding the Fourth Proportional to 5,569.97, 8,351.91 and 1,870.29

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Solution

The fourth proportional to 5,569.97, 8,351.91 and 1,870.29 is: 2,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.97 : 8,351.91 = 1,870.29 : x
  2. Step 2: Convert to fraction form
    5,569.97/8,351.91 = 1,870.29/x
  3. Step 3: Cross multiply
    5,569.97x = 8,351.91 × 1,870.29
  4. Step 4: Simplify right side
    5,569.97x = 15,620,493.75
  5. Step 5: Solve for x
    x = 15,620,493.75/5,569.97
  6. Step 6: Final answer
    x = 2,804.42

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1.5x scale

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.