Home / 9,491.40-13,092.60-5,711.94

Finding the Fourth Proportional to 9,491.40, 13,092.60 and 5,711.94

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Solution

The fourth proportional to 9,491.40, 13,092.60 and 5,711.94 is: 7,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.40 : 13,092.60 = 5,711.94 : x
  2. Step 2: Convert to fraction form
    9,491.40/13,092.60 = 5,711.94/x
  3. Step 3: Cross multiply
    9,491.40x = 13,092.60 × 5,711.94
  4. Step 4: Simplify right side
    9,491.40x = 74,784,145.64
  5. Step 5: Solve for x
    x = 74,784,145.64/9,491.40
  6. Step 6: Final answer
    x = 7,879.15

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1.5x scale

Why These Related Problems?

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