Home / 4,986.16-6,883.77-3,309.85

Finding the Fourth Proportional to 4,986.16, 6,883.77 and 3,309.85

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Solution

The fourth proportional to 4,986.16, 6,883.77 and 3,309.85 is: 4,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.16 : 6,883.77 = 3,309.85 : x
  2. Step 2: Convert to fraction form
    4,986.16/6,883.77 = 3,309.85/x
  3. Step 3: Cross multiply
    4,986.16x = 6,883.77 × 3,309.85
  4. Step 4: Simplify right side
    4,986.16x = 22,784,246.13
  5. Step 5: Solve for x
    x = 22,784,246.13/4,986.16
  6. Step 6: Final answer
    x = 4,569.50

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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.