Home / 6,313.53-8,712.27-3,480.75

Finding the Fourth Proportional to 6,313.53, 8,712.27 and 3,480.75

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Solution

The fourth proportional to 6,313.53, 8,712.27 and 3,480.75 is: 4,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.53 : 8,712.27 = 3,480.75 : x
  2. Step 2: Convert to fraction form
    6,313.53/8,712.27 = 3,480.75/x
  3. Step 3: Cross multiply
    6,313.53x = 8,712.27 × 3,480.75
  4. Step 4: Simplify right side
    6,313.53x = 30,325,233.80
  5. Step 5: Solve for x
    x = 30,325,233.80/6,313.53
  6. Step 6: Final answer
    x = 4,803.21

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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.