Home / 6,627.04-9,941.76-5,405.28

Finding the Fourth Proportional to 6,627.04, 9,941.76 and 5,405.28

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Solution

The fourth proportional to 6,627.04, 9,941.76 and 5,405.28 is: 8,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.04 : 9,941.76 = 5,405.28 : x
  2. Step 2: Convert to fraction form
    6,627.04/9,941.76 = 5,405.28/x
  3. Step 3: Cross multiply
    6,627.04x = 9,941.76 × 5,405.28
  4. Step 4: Simplify right side
    6,627.04x = 53,737,996.49
  5. Step 5: Solve for x
    x = 53,737,996.49/6,627.04
  6. Step 6: Final answer
    x = 8,108.90

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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.