Home / 8,356.50-12,535.56-2,811.24

Finding the Fourth Proportional to 8,356.50, 12,535.56 and 2,811.24

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Solution

The fourth proportional to 8,356.50, 12,535.56 and 2,811.24 is: 4,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.50 : 12,535.56 = 2,811.24 : x
  2. Step 2: Convert to fraction form
    8,356.50/12,535.56 = 2,811.24/x
  3. Step 3: Cross multiply
    8,356.50x = 12,535.56 × 2,811.24
  4. Step 4: Simplify right side
    8,356.50x = 35,240,467.69
  5. Step 5: Solve for x
    x = 35,240,467.69/8,356.50
  6. Step 6: Final answer
    x = 4,217.13

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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.