Home / 7,834.40-10,810.78-4,476.54

Finding the Fourth Proportional to 7,834.40, 10,810.78 and 4,476.54

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Solution

The fourth proportional to 7,834.40, 10,810.78 and 4,476.54 is: 6,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.40 : 10,810.78 = 4,476.54 : x
  2. Step 2: Convert to fraction form
    7,834.40/10,810.78 = 4,476.54/x
  3. Step 3: Cross multiply
    7,834.40x = 10,810.78 × 4,476.54
  4. Step 4: Simplify right side
    7,834.40x = 48,394,889.10
  5. Step 5: Solve for x
    x = 48,394,889.10/7,834.40
  6. Step 6: Final answer
    x = 6,177.23

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