Home / 8,331.46-12,500.64-3,649.05

Finding the Fourth Proportional to 8,331.46, 12,500.64 and 3,649.05

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Solution

The fourth proportional to 8,331.46, 12,500.64 and 3,649.05 is: 5,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.46 : 12,500.64 = 3,649.05 : x
  2. Step 2: Convert to fraction form
    8,331.46/12,500.64 = 3,649.05/x
  3. Step 3: Cross multiply
    8,331.46x = 12,500.64 × 3,649.05
  4. Step 4: Simplify right side
    8,331.46x = 45,615,460.39
  5. Step 5: Solve for x
    x = 45,615,460.39/8,331.46
  6. Step 6: Final answer
    x = 5,475.09

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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.