Home / 6,313.21-8,712.29-3,480.70

Finding the Fourth Proportional to 6,313.21, 8,712.29 and 3,480.70

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Solution

The fourth proportional to 6,313.21, 8,712.29 and 3,480.70 is: 4,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.21 : 8,712.29 = 3,480.70 : x
  2. Step 2: Convert to fraction form
    6,313.21/8,712.29 = 3,480.70/x
  3. Step 3: Cross multiply
    6,313.21x = 8,712.29 × 3,480.70
  4. Step 4: Simplify right side
    6,313.21x = 30,324,824.24
  5. Step 5: Solve for x
    x = 30,324,824.24/6,313.21
  6. Step 6: Final answer
    x = 4,803.39

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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.