Home / 6,886.08-9,499.74-4,231.92

Finding the Fourth Proportional to 6,886.08, 9,499.74 and 4,231.92

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Solution

The fourth proportional to 6,886.08, 9,499.74 and 4,231.92 is: 5,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.08 : 9,499.74 = 4,231.92 : x
  2. Step 2: Convert to fraction form
    6,886.08/9,499.74 = 4,231.92/x
  3. Step 3: Cross multiply
    6,886.08x = 9,499.74 × 4,231.92
  4. Step 4: Simplify right side
    6,886.08x = 40,202,139.70
  5. Step 5: Solve for x
    x = 40,202,139.70/6,886.08
  6. Step 6: Final answer
    x = 5,838.17

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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.