Home / 8,719.21-12,035.15-5,926.33

Finding the Fourth Proportional to 8,719.21, 12,035.15 and 5,926.33

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Solution

The fourth proportional to 8,719.21, 12,035.15 and 5,926.33 is: 8,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.21 : 12,035.15 = 5,926.33 : x
  2. Step 2: Convert to fraction form
    8,719.21/12,035.15 = 5,926.33/x
  3. Step 3: Cross multiply
    8,719.21x = 12,035.15 × 5,926.33
  4. Step 4: Simplify right side
    8,719.21x = 71,324,270.50
  5. Step 5: Solve for x
    x = 71,324,270.50/8,719.21
  6. Step 6: Final answer
    x = 8,180.13

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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.