Home / 6,887.77-10,329.81-2,991.25

Finding the Fourth Proportional to 6,887.77, 10,329.81 and 2,991.25

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Solution

The fourth proportional to 6,887.77, 10,329.81 and 2,991.25 is: 4,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.77 : 10,329.81 = 2,991.25 : x
  2. Step 2: Convert to fraction form
    6,887.77/10,329.81 = 2,991.25/x
  3. Step 3: Cross multiply
    6,887.77x = 10,329.81 × 2,991.25
  4. Step 4: Simplify right side
    6,887.77x = 30,899,044.16
  5. Step 5: Solve for x
    x = 30,899,044.16/6,887.77
  6. Step 6: Final answer
    x = 4,486.07

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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.