Home / 4,007.80-5,525.76-2,515.16

Finding the Fourth Proportional to 4,007.80, 5,525.76 and 2,515.16

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Solution

The fourth proportional to 4,007.80, 5,525.76 and 2,515.16 is: 3,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.80 : 5,525.76 = 2,515.16 : x
  2. Step 2: Convert to fraction form
    4,007.80/5,525.76 = 2,515.16/x
  3. Step 3: Cross multiply
    4,007.80x = 5,525.76 × 2,515.16
  4. Step 4: Simplify right side
    4,007.80x = 13,898,170.52
  5. Step 5: Solve for x
    x = 13,898,170.52/4,007.80
  6. Step 6: Final answer
    x = 3,467.78

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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.