Home / 8,819.04-13,219.36-2,973.64

Finding the Fourth Proportional to 8,819.04, 13,219.36 and 2,973.64

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Solution

The fourth proportional to 8,819.04, 13,219.36 and 2,973.64 is: 4,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.04 : 13,219.36 = 2,973.64 : x
  2. Step 2: Convert to fraction form
    8,819.04/13,219.36 = 2,973.64/x
  3. Step 3: Cross multiply
    8,819.04x = 13,219.36 × 2,973.64
  4. Step 4: Simplify right side
    8,819.04x = 39,309,617.67
  5. Step 5: Solve for x
    x = 39,309,617.67/8,819.04
  6. Step 6: Final answer
    x = 4,457.36

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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.