Home / 8,865.29-13,300.23-3,319.07

Finding the Fourth Proportional to 8,865.29, 13,300.23 and 3,319.07

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Solution

The fourth proportional to 8,865.29, 13,300.23 and 3,319.07 is: 4,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.29 : 13,300.23 = 3,319.07 : x
  2. Step 2: Convert to fraction form
    8,865.29/13,300.23 = 3,319.07/x
  3. Step 3: Cross multiply
    8,865.29x = 13,300.23 × 3,319.07
  4. Step 4: Simplify right side
    8,865.29x = 44,144,327.88
  5. Step 5: Solve for x
    x = 44,144,327.88/8,865.29
  6. Step 6: Final answer
    x = 4,979.46

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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.