Home / 5,815.81-8,734.90-4,984.75

Finding the Fourth Proportional to 5,815.81, 8,734.90 and 4,984.75

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Solution

The fourth proportional to 5,815.81, 8,734.90 and 4,984.75 is: 7,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.81 : 8,734.90 = 4,984.75 : x
  2. Step 2: Convert to fraction form
    5,815.81/8,734.90 = 4,984.75/x
  3. Step 3: Cross multiply
    5,815.81x = 8,734.90 × 4,984.75
  4. Step 4: Simplify right side
    5,815.81x = 43,541,292.78
  5. Step 5: Solve for x
    x = 43,541,292.78/5,815.81
  6. Step 6: Final answer
    x = 7,486.71

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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.