Home / 8,739.73-13,109.51-5,230.70

Finding the Fourth Proportional to 8,739.73, 13,109.51 and 5,230.70

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Solution

The fourth proportional to 8,739.73, 13,109.51 and 5,230.70 is: 7,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.73 : 13,109.51 = 5,230.70 : x
  2. Step 2: Convert to fraction form
    8,739.73/13,109.51 = 5,230.70/x
  3. Step 3: Cross multiply
    8,739.73x = 13,109.51 × 5,230.70
  4. Step 4: Simplify right side
    8,739.73x = 68,571,887.80
  5. Step 5: Solve for x
    x = 68,571,887.80/8,739.73
  6. Step 6: Final answer
    x = 7,846.00

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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.