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Finding the Fourth Proportional to 10,802.92, 14,910.08 and 6,087.20

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Solution

The fourth proportional to 10,802.92, 14,910.08 and 6,087.20 is: 8,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.92 : 14,910.08 = 6,087.20 : x
  2. Step 2: Convert to fraction form
    10,802.92/14,910.08 = 6,087.20/x
  3. Step 3: Cross multiply
    10,802.92x = 14,910.08 × 6,087.20
  4. Step 4: Simplify right side
    10,802.92x = 90,760,638.98
  5. Step 5: Solve for x
    x = 90,760,638.98/10,802.92
  6. Step 6: Final answer
    x = 8,401.49

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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.