Home / 5,110.10-7,663.51-1,646.54

Finding the Fourth Proportional to 5,110.10, 7,663.51 and 1,646.54

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Solution

The fourth proportional to 5,110.10, 7,663.51 and 1,646.54 is: 2,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.10 : 7,663.51 = 1,646.54 : x
  2. Step 2: Convert to fraction form
    5,110.10/7,663.51 = 1,646.54/x
  3. Step 3: Cross multiply
    5,110.10x = 7,663.51 × 1,646.54
  4. Step 4: Simplify right side
    5,110.10x = 12,618,233.32
  5. Step 5: Solve for x
    x = 12,618,233.32/5,110.10
  6. Step 6: Final answer
    x = 2,469.28

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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.