Home / 8,886.92-13,326.30-5,190.28

Finding the Fourth Proportional to 8,886.92, 13,326.30 and 5,190.28

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Solution

The fourth proportional to 8,886.92, 13,326.30 and 5,190.28 is: 7,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.92 : 13,326.30 = 5,190.28 : x
  2. Step 2: Convert to fraction form
    8,886.92/13,326.30 = 5,190.28/x
  3. Step 3: Cross multiply
    8,886.92x = 13,326.30 × 5,190.28
  4. Step 4: Simplify right side
    8,886.92x = 69,167,228.36
  5. Step 5: Solve for x
    x = 69,167,228.36/8,886.92
  6. Step 6: Final answer
    x = 7,783.04

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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.