Home / 8,205.74-11,320.28-4,846.28

Finding the Fourth Proportional to 8,205.74, 11,320.28 and 4,846.28

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Solution

The fourth proportional to 8,205.74, 11,320.28 and 4,846.28 is: 6,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.74 : 11,320.28 = 4,846.28 : x
  2. Step 2: Convert to fraction form
    8,205.74/11,320.28 = 4,846.28/x
  3. Step 3: Cross multiply
    8,205.74x = 11,320.28 × 4,846.28
  4. Step 4: Simplify right side
    8,205.74x = 54,861,246.56
  5. Step 5: Solve for x
    x = 54,861,246.56/8,205.74
  6. Step 6: Final answer
    x = 6,685.72

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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.