Home / 4,385.16-6,055.52-2,815.97

Finding the Fourth Proportional to 4,385.16, 6,055.52 and 2,815.97

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Solution

The fourth proportional to 4,385.16, 6,055.52 and 2,815.97 is: 3,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.16 : 6,055.52 = 2,815.97 : x
  2. Step 2: Convert to fraction form
    4,385.16/6,055.52 = 2,815.97/x
  3. Step 3: Cross multiply
    4,385.16x = 6,055.52 × 2,815.97
  4. Step 4: Simplify right side
    4,385.16x = 17,052,118.30
  5. Step 5: Solve for x
    x = 17,052,118.30/4,385.16
  6. Step 6: Final answer
    x = 3,888.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.