Home / 8,904.46-13,352.16-2,979.22

Finding the Fourth Proportional to 8,904.46, 13,352.16 and 2,979.22

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Solution

The fourth proportional to 8,904.46, 13,352.16 and 2,979.22 is: 4,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.46 : 13,352.16 = 2,979.22 : x
  2. Step 2: Convert to fraction form
    8,904.46/13,352.16 = 2,979.22/x
  3. Step 3: Cross multiply
    8,904.46x = 13,352.16 × 2,979.22
  4. Step 4: Simplify right side
    8,904.46x = 39,779,022.12
  5. Step 5: Solve for x
    x = 39,779,022.12/8,904.46
  6. Step 6: Final answer
    x = 4,467.31

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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.