Home / 4,887.60-6,744.90-2,649.48

Finding the Fourth Proportional to 4,887.60, 6,744.90 and 2,649.48

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Solution

The fourth proportional to 4,887.60, 6,744.90 and 2,649.48 is: 3,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.60 : 6,744.90 = 2,649.48 : x
  2. Step 2: Convert to fraction form
    4,887.60/6,744.90 = 2,649.48/x
  3. Step 3: Cross multiply
    4,887.60x = 6,744.90 × 2,649.48
  4. Step 4: Simplify right side
    4,887.60x = 17,870,477.65
  5. Step 5: Solve for x
    x = 17,870,477.65/4,887.60
  6. Step 6: Final answer
    x = 3,656.29

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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.