Home / 10,585.39-15,876.86-2,794.81

Finding the Fourth Proportional to 10,585.39, 15,876.86 and 2,794.81

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Solution

The fourth proportional to 10,585.39, 15,876.86 and 2,794.81 is: 4,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.39 : 15,876.86 = 2,794.81 : x
  2. Step 2: Convert to fraction form
    10,585.39/15,876.86 = 2,794.81/x
  3. Step 3: Cross multiply
    10,585.39x = 15,876.86 × 2,794.81
  4. Step 4: Simplify right side
    10,585.39x = 44,372,807.10
  5. Step 5: Solve for x
    x = 44,372,807.10/10,585.39
  6. Step 6: Final answer
    x = 4,191.89

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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.