Home / 8,764.16-13,146.28-2,190.36

Finding the Fourth Proportional to 8,764.16, 13,146.28 and 2,190.36

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Solution

The fourth proportional to 8,764.16, 13,146.28 and 2,190.36 is: 3,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.16 : 13,146.28 = 2,190.36 : x
  2. Step 2: Convert to fraction form
    8,764.16/13,146.28 = 2,190.36/x
  3. Step 3: Cross multiply
    8,764.16x = 13,146.28 × 2,190.36
  4. Step 4: Simplify right side
    8,764.16x = 28,795,009.18
  5. Step 5: Solve for x
    x = 28,795,009.18/8,764.16
  6. Step 6: Final answer
    x = 3,285.54

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Similar ratio
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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.