Home / 8,940.04-13,401.96-5,470

Finding the Fourth Proportional to 8,940.04, 13,401.96 and 5,470

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Solution

The fourth proportional to 8,940.04, 13,401.96 and 5,470 is: 8,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.04 : 13,401.96 = 5,470 : x
  2. Step 2: Convert to fraction form
    8,940.04/13,401.96 = 5,470/x
  3. Step 3: Cross multiply
    8,940.04x = 13,401.96 × 5,470
  4. Step 4: Simplify right side
    8,940.04x = 73,308,721.20
  5. Step 5: Solve for x
    x = 73,308,721.20/8,940.04
  6. Step 6: Final answer
    x = 8,200.04

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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.