Home / 9,781.38-13,498.21-5,533.27

Finding the Fourth Proportional to 9,781.38, 13,498.21 and 5,533.27

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Solution

The fourth proportional to 9,781.38, 13,498.21 and 5,533.27 is: 7,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.38 : 13,498.21 = 5,533.27 : x
  2. Step 2: Convert to fraction form
    9,781.38/13,498.21 = 5,533.27/x
  3. Step 3: Cross multiply
    9,781.38x = 13,498.21 × 5,533.27
  4. Step 4: Simplify right side
    9,781.38x = 74,689,213.62
  5. Step 5: Solve for x
    x = 74,689,213.62/9,781.38
  6. Step 6: Final answer
    x = 7,635.86

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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.