Home / 10,280.80-15,411.36-4,441.56

Finding the Fourth Proportional to 10,280.80, 15,411.36 and 4,441.56

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Solution

The fourth proportional to 10,280.80, 15,411.36 and 4,441.56 is: 6,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.80 : 15,411.36 = 4,441.56 : x
  2. Step 2: Convert to fraction form
    10,280.80/15,411.36 = 4,441.56/x
  3. Step 3: Cross multiply
    10,280.80x = 15,411.36 × 4,441.56
  4. Step 4: Simplify right side
    10,280.80x = 68,450,480.12
  5. Step 5: Solve for x
    x = 68,450,480.12/10,280.80
  6. Step 6: Final answer
    x = 6,658.09

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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.