Home / 8,904.84-13,367.60-5,209.76

Finding the Fourth Proportional to 8,904.84, 13,367.60 and 5,209.76

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Solution

The fourth proportional to 8,904.84, 13,367.60 and 5,209.76 is: 7,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.84 : 13,367.60 = 5,209.76 : x
  2. Step 2: Convert to fraction form
    8,904.84/13,367.60 = 5,209.76/x
  3. Step 3: Cross multiply
    8,904.84x = 13,367.60 × 5,209.76
  4. Step 4: Simplify right side
    8,904.84x = 69,641,987.78
  5. Step 5: Solve for x
    x = 69,641,987.78/8,904.84
  6. Step 6: Final answer
    x = 7,820.69

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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.