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Finding the Fourth Proportional to 4,395, 6,592.50 and 1,108.10

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Solution

The fourth proportional to 4,395, 6,592.50 and 1,108.10 is: 1,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395 : 6,592.50 = 1,108.10 : x
  2. Step 2: Convert to fraction form
    4,395/6,592.50 = 1,108.10/x
  3. Step 3: Cross multiply
    4,395x = 6,592.50 × 1,108.10
  4. Step 4: Simplify right side
    4,395x = 7,305,149.25
  5. Step 5: Solve for x
    x = 7,305,149.25/4,395
  6. Step 6: Final answer
    x = 1,662.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.