Home / 9,055.45-13,585.11-2,815.32

Finding the Fourth Proportional to 9,055.45, 13,585.11 and 2,815.32

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Solution

The fourth proportional to 9,055.45, 13,585.11 and 2,815.32 is: 4,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.45 : 13,585.11 = 2,815.32 : x
  2. Step 2: Convert to fraction form
    9,055.45/13,585.11 = 2,815.32/x
  3. Step 3: Cross multiply
    9,055.45x = 13,585.11 × 2,815.32
  4. Step 4: Simplify right side
    9,055.45x = 38,246,431.89
  5. Step 5: Solve for x
    x = 38,246,431.89/9,055.45
  6. Step 6: Final answer
    x = 4,223.58

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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.