Home / 8,986.24-13,479.82-3,437.64

Finding the Fourth Proportional to 8,986.24, 13,479.82 and 3,437.64

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Solution

The fourth proportional to 8,986.24, 13,479.82 and 3,437.64 is: 5,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.24 : 13,479.82 = 3,437.64 : x
  2. Step 2: Convert to fraction form
    8,986.24/13,479.82 = 3,437.64/x
  3. Step 3: Cross multiply
    8,986.24x = 13,479.82 × 3,437.64
  4. Step 4: Simplify right side
    8,986.24x = 46,338,759.83
  5. Step 5: Solve for x
    x = 46,338,759.83/8,986.24
  6. Step 6: Final answer
    x = 5,156.63

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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.