Home / 5,453.42-7,525.62-3,215.39

Finding the Fourth Proportional to 5,453.42, 7,525.62 and 3,215.39

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Solution

The fourth proportional to 5,453.42, 7,525.62 and 3,215.39 is: 4,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.42 : 7,525.62 = 3,215.39 : x
  2. Step 2: Convert to fraction form
    5,453.42/7,525.62 = 3,215.39/x
  3. Step 3: Cross multiply
    5,453.42x = 7,525.62 × 3,215.39
  4. Step 4: Simplify right side
    5,453.42x = 24,197,765.66
  5. Step 5: Solve for x
    x = 24,197,765.66/5,453.42
  6. Step 6: Final answer
    x = 4,437.18

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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.