Home / 8,904.28-13,355.13-2,664.04

Finding the Fourth Proportional to 8,904.28, 13,355.13 and 2,664.04

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Solution

The fourth proportional to 8,904.28, 13,355.13 and 2,664.04 is: 3,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.28 : 13,355.13 = 2,664.04 : x
  2. Step 2: Convert to fraction form
    8,904.28/13,355.13 = 2,664.04/x
  3. Step 3: Cross multiply
    8,904.28x = 13,355.13 × 2,664.04
  4. Step 4: Simplify right side
    8,904.28x = 35,578,587.18
  5. Step 5: Solve for x
    x = 35,578,587.18/8,904.28
  6. Step 6: Final answer
    x = 3,995.67

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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.