Home / 6,887.79-10,331.73-2,270.79

Finding the Fourth Proportional to 6,887.79, 10,331.73 and 2,270.79

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Solution

The fourth proportional to 6,887.79, 10,331.73 and 2,270.79 is: 3,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.79 : 10,331.73 = 2,270.79 : x
  2. Step 2: Convert to fraction form
    6,887.79/10,331.73 = 2,270.79/x
  3. Step 3: Cross multiply
    6,887.79x = 10,331.73 × 2,270.79
  4. Step 4: Simplify right side
    6,887.79x = 23,461,189.17
  5. Step 5: Solve for x
    x = 23,461,189.17/6,887.79
  6. Step 6: Final answer
    x = 3,406.20

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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.