Home / 4,887.54-6,744.78-2,649.47

Finding the Fourth Proportional to 4,887.54, 6,744.78 and 2,649.47

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Solution

The fourth proportional to 4,887.54, 6,744.78 and 2,649.47 is: 3,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.54 : 6,744.78 = 2,649.47 : x
  2. Step 2: Convert to fraction form
    4,887.54/6,744.78 = 2,649.47/x
  3. Step 3: Cross multiply
    4,887.54x = 6,744.78 × 2,649.47
  4. Step 4: Simplify right side
    4,887.54x = 17,870,092.27
  5. Step 5: Solve for x
    x = 17,870,092.27/4,887.54
  6. Step 6: Final answer
    x = 3,656.25

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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.