Home / 8,348.48-11,520.96-4,622.72

Finding the Fourth Proportional to 8,348.48, 11,520.96 and 4,622.72

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Solution

The fourth proportional to 8,348.48, 11,520.96 and 4,622.72 is: 6,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.48 : 11,520.96 = 4,622.72 : x
  2. Step 2: Convert to fraction form
    8,348.48/11,520.96 = 4,622.72/x
  3. Step 3: Cross multiply
    8,348.48x = 11,520.96 × 4,622.72
  4. Step 4: Simplify right side
    8,348.48x = 53,258,172.21
  5. Step 5: Solve for x
    x = 53,258,172.21/8,348.48
  6. Step 6: Final answer
    x = 6,379.39

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Half scale
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Double scale
Find fourth proportional to 8,349.48, 11,522.34 and 4,623.72
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.