Home / 8,521.20-11,759.44-4,986.44

Finding the Fourth Proportional to 8,521.20, 11,759.44 and 4,986.44

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Solution

The fourth proportional to 8,521.20, 11,759.44 and 4,986.44 is: 6,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.20 : 11,759.44 = 4,986.44 : x
  2. Step 2: Convert to fraction form
    8,521.20/11,759.44 = 4,986.44/x
  3. Step 3: Cross multiply
    8,521.20x = 11,759.44 × 4,986.44
  4. Step 4: Simplify right side
    8,521.20x = 58,637,741.99
  5. Step 5: Solve for x
    x = 58,637,741.99/8,521.20
  6. Step 6: Final answer
    x = 6,881.39

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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.