Home / 8,134.92-11,235.41-5,477.71

Finding the Fourth Proportional to 8,134.92, 11,235.41 and 5,477.71

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Solution

The fourth proportional to 8,134.92, 11,235.41 and 5,477.71 is: 7,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.92 : 11,235.41 = 5,477.71 : x
  2. Step 2: Convert to fraction form
    8,134.92/11,235.41 = 5,477.71/x
  3. Step 3: Cross multiply
    8,134.92x = 11,235.41 × 5,477.71
  4. Step 4: Simplify right side
    8,134.92x = 61,544,317.71
  5. Step 5: Solve for x
    x = 61,544,317.71/8,134.92
  6. Step 6: Final answer
    x = 7,565.45

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Half scale
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Double scale
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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.