Home / 6,318.86-9,479.51-1,936.36

Finding the Fourth Proportional to 6,318.86, 9,479.51 and 1,936.36

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Solution

The fourth proportional to 6,318.86, 9,479.51 and 1,936.36 is: 2,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.86 : 9,479.51 = 1,936.36 : x
  2. Step 2: Convert to fraction form
    6,318.86/9,479.51 = 1,936.36/x
  3. Step 3: Cross multiply
    6,318.86x = 9,479.51 × 1,936.36
  4. Step 4: Simplify right side
    6,318.86x = 18,355,725.13
  5. Step 5: Solve for x
    x = 18,355,725.13/6,318.86
  6. Step 6: Final answer
    x = 2,904.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.