Home / 5,695.60-8,537.80-2,772.28

Finding the Fourth Proportional to 5,695.60, 8,537.80 and 2,772.28

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Solution

The fourth proportional to 5,695.60, 8,537.80 and 2,772.28 is: 4,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.60 : 8,537.80 = 2,772.28 : x
  2. Step 2: Convert to fraction form
    5,695.60/8,537.80 = 2,772.28/x
  3. Step 3: Cross multiply
    5,695.60x = 8,537.80 × 2,772.28
  4. Step 4: Simplify right side
    5,695.60x = 23,669,172.18
  5. Step 5: Solve for x
    x = 23,669,172.18/5,695.60
  6. Step 6: Final answer
    x = 4,155.69

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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.