Home / 8,321.36-11,482.53-4,785.71

Finding the Fourth Proportional to 8,321.36, 11,482.53 and 4,785.71

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Solution

The fourth proportional to 8,321.36, 11,482.53 and 4,785.71 is: 6,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.36 : 11,482.53 = 4,785.71 : x
  2. Step 2: Convert to fraction form
    8,321.36/11,482.53 = 4,785.71/x
  3. Step 3: Cross multiply
    8,321.36x = 11,482.53 × 4,785.71
  4. Step 4: Simplify right side
    8,321.36x = 54,952,058.65
  5. Step 5: Solve for x
    x = 54,952,058.65/8,321.36
  6. Step 6: Final answer
    x = 6,603.74

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Half scale
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Double scale
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Similar ratio
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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.