Home / 7,846.28-10,827.92-4,309.80

Finding the Fourth Proportional to 7,846.28, 10,827.92 and 4,309.80

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Solution

The fourth proportional to 7,846.28, 10,827.92 and 4,309.80 is: 5,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.28 : 10,827.92 = 4,309.80 : x
  2. Step 2: Convert to fraction form
    7,846.28/10,827.92 = 4,309.80/x
  3. Step 3: Cross multiply
    7,846.28x = 10,827.92 × 4,309.80
  4. Step 4: Simplify right side
    7,846.28x = 46,666,169.62
  5. Step 5: Solve for x
    x = 46,666,169.62/7,846.28
  6. Step 6: Final answer
    x = 5,947.55

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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.