Home / 6,313.06-8,711.62-3,480.28

Finding the Fourth Proportional to 6,313.06, 8,711.62 and 3,480.28

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Solution

The fourth proportional to 6,313.06, 8,711.62 and 3,480.28 is: 4,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.06 : 8,711.62 = 3,480.28 : x
  2. Step 2: Convert to fraction form
    6,313.06/8,711.62 = 3,480.28/x
  3. Step 3: Cross multiply
    6,313.06x = 8,711.62 × 3,480.28
  4. Step 4: Simplify right side
    6,313.06x = 30,318,856.16
  5. Step 5: Solve for x
    x = 30,318,856.16/6,313.06
  6. Step 6: Final answer
    x = 4,802.56

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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.