Home / 8,823.56-13,240.53-3,280.80

Finding the Fourth Proportional to 8,823.56, 13,240.53 and 3,280.80

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Solution

The fourth proportional to 8,823.56, 13,240.53 and 3,280.80 is: 4,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.56 : 13,240.53 = 3,280.80 : x
  2. Step 2: Convert to fraction form
    8,823.56/13,240.53 = 3,280.80/x
  3. Step 3: Cross multiply
    8,823.56x = 13,240.53 × 3,280.80
  4. Step 4: Simplify right side
    8,823.56x = 43,439,530.82
  5. Step 5: Solve for x
    x = 43,439,530.82/8,823.56
  6. Step 6: Final answer
    x = 4,923.13

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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.