Home / 9,055.86-13,585.73-2,815.74

Finding the Fourth Proportional to 9,055.86, 13,585.73 and 2,815.74

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Solution

The fourth proportional to 9,055.86, 13,585.73 and 2,815.74 is: 4,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.86 : 13,585.73 = 2,815.74 : x
  2. Step 2: Convert to fraction form
    9,055.86/13,585.73 = 2,815.74/x
  3. Step 3: Cross multiply
    9,055.86x = 13,585.73 × 2,815.74
  4. Step 4: Simplify right side
    9,055.86x = 38,253,869.31
  5. Step 5: Solve for x
    x = 38,253,869.31/9,055.86
  6. Step 6: Final answer
    x = 4,224.21

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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.