Home / 8,090.24-12,116.21-5,159.66

Finding the Fourth Proportional to 8,090.24, 12,116.21 and 5,159.66

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Solution

The fourth proportional to 8,090.24, 12,116.21 and 5,159.66 is: 7,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.24 : 12,116.21 = 5,159.66 : x
  2. Step 2: Convert to fraction form
    8,090.24/12,116.21 = 5,159.66/x
  3. Step 3: Cross multiply
    8,090.24x = 12,116.21 × 5,159.66
  4. Step 4: Simplify right side
    8,090.24x = 62,515,437.71
  5. Step 5: Solve for x
    x = 62,515,437.71/8,090.24
  6. Step 6: Final answer
    x = 7,727.27

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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.