Home / 6,739.13-9,305.73-4,225.45

Finding the Fourth Proportional to 6,739.13, 9,305.73 and 4,225.45

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Solution

The fourth proportional to 6,739.13, 9,305.73 and 4,225.45 is: 5,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.13 : 9,305.73 = 4,225.45 : x
  2. Step 2: Convert to fraction form
    6,739.13/9,305.73 = 4,225.45/x
  3. Step 3: Cross multiply
    6,739.13x = 9,305.73 × 4,225.45
  4. Step 4: Simplify right side
    6,739.13x = 39,320,829.17
  5. Step 5: Solve for x
    x = 39,320,829.17/6,739.13
  6. Step 6: Final answer
    x = 5,834.71

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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.