Home / 8,348.96-11,521.69-4,572.05

Finding the Fourth Proportional to 8,348.96, 11,521.69 and 4,572.05

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Solution

The fourth proportional to 8,348.96, 11,521.69 and 4,572.05 is: 6,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.96 : 11,521.69 = 4,572.05 : x
  2. Step 2: Convert to fraction form
    8,348.96/11,521.69 = 4,572.05/x
  3. Step 3: Cross multiply
    8,348.96x = 11,521.69 × 4,572.05
  4. Step 4: Simplify right side
    8,348.96x = 52,677,673.73
  5. Step 5: Solve for x
    x = 52,677,673.73/8,348.96
  6. Step 6: Final answer
    x = 6,309.49

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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.