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Finding the Fourth Proportional to 6,995.78, 10,495.49 and 3,099.26

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Solution

The fourth proportional to 6,995.78, 10,495.49 and 3,099.26 is: 4,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.78 : 10,495.49 = 3,099.26 : x
  2. Step 2: Convert to fraction form
    6,995.78/10,495.49 = 3,099.26/x
  3. Step 3: Cross multiply
    6,995.78x = 10,495.49 × 3,099.26
  4. Step 4: Simplify right side
    6,995.78x = 32,528,252.34
  5. Step 5: Solve for x
    x = 32,528,252.34/6,995.78
  6. Step 6: Final answer
    x = 4,649.70

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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.