Home / 6,317.37-8,717.13-3,664.40

Finding the Fourth Proportional to 6,317.37, 8,717.13 and 3,664.40

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Solution

The fourth proportional to 6,317.37, 8,717.13 and 3,664.40 is: 5,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.37 : 8,717.13 = 3,664.40 : x
  2. Step 2: Convert to fraction form
    6,317.37/8,717.13 = 3,664.40/x
  3. Step 3: Cross multiply
    6,317.37x = 8,717.13 × 3,664.40
  4. Step 4: Simplify right side
    6,317.37x = 31,943,007.59
  5. Step 5: Solve for x
    x = 31,943,007.59/6,317.37
  6. Step 6: Final answer
    x = 5,056.38

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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.