Home / 8,090.17-12,135.24-2,543.99

Finding the Fourth Proportional to 8,090.17, 12,135.24 and 2,543.99

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Solution

The fourth proportional to 8,090.17, 12,135.24 and 2,543.99 is: 3,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.17 : 12,135.24 = 2,543.99 : x
  2. Step 2: Convert to fraction form
    8,090.17/12,135.24 = 2,543.99/x
  3. Step 3: Cross multiply
    8,090.17x = 12,135.24 × 2,543.99
  4. Step 4: Simplify right side
    8,090.17x = 30,871,959.55
  5. Step 5: Solve for x
    x = 30,871,959.55/8,090.17
  6. Step 6: Final answer
    x = 3,815.99

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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.