Home / 4,887.45-6,743.75-2,899.77

Finding the Fourth Proportional to 4,887.45, 6,743.75 and 2,899.77

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Solution

The fourth proportional to 4,887.45, 6,743.75 and 2,899.77 is: 4,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.45 : 6,743.75 = 2,899.77 : x
  2. Step 2: Convert to fraction form
    4,887.45/6,743.75 = 2,899.77/x
  3. Step 3: Cross multiply
    4,887.45x = 6,743.75 × 2,899.77
  4. Step 4: Simplify right side
    4,887.45x = 19,555,309.44
  5. Step 5: Solve for x
    x = 19,555,309.44/4,887.45
  6. Step 6: Final answer
    x = 4,001.13

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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.