Home / 7,520.58-11,280.32-3,360.96

Finding the Fourth Proportional to 7,520.58, 11,280.32 and 3,360.96

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Solution

The fourth proportional to 7,520.58, 11,280.32 and 3,360.96 is: 5,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.58 : 11,280.32 = 3,360.96 : x
  2. Step 2: Convert to fraction form
    7,520.58/11,280.32 = 3,360.96/x
  3. Step 3: Cross multiply
    7,520.58x = 11,280.32 × 3,360.96
  4. Step 4: Simplify right side
    7,520.58x = 37,912,704.31
  5. Step 5: Solve for x
    x = 37,912,704.31/7,520.58
  6. Step 6: Final answer
    x = 5,041.19

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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.