Home / 6,838.91-9,440.03-4,007.19

Finding the Fourth Proportional to 6,838.91, 9,440.03 and 4,007.19

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Solution

The fourth proportional to 6,838.91, 9,440.03 and 4,007.19 is: 5,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.91 : 9,440.03 = 4,007.19 : x
  2. Step 2: Convert to fraction form
    6,838.91/9,440.03 = 4,007.19/x
  3. Step 3: Cross multiply
    6,838.91x = 9,440.03 × 4,007.19
  4. Step 4: Simplify right side
    6,838.91x = 37,828,003.83
  5. Step 5: Solve for x
    x = 37,828,003.83/6,838.91
  6. Step 6: Final answer
    x = 5,531.30

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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.