Home / 6,314.24-8,712.96-3,661.28

Finding the Fourth Proportional to 6,314.24, 8,712.96 and 3,661.28

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Solution

The fourth proportional to 6,314.24, 8,712.96 and 3,661.28 is: 5,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.24 : 8,712.96 = 3,661.28 : x
  2. Step 2: Convert to fraction form
    6,314.24/8,712.96 = 3,661.28/x
  3. Step 3: Cross multiply
    6,314.24x = 8,712.96 × 3,661.28
  4. Step 4: Simplify right side
    6,314.24x = 31,900,586.19
  5. Step 5: Solve for x
    x = 31,900,586.19/6,314.24
  6. Step 6: Final answer
    x = 5,052.17

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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.