Home / 5,011.95-7,509.72-2,669.47

Finding the Fourth Proportional to 5,011.95, 7,509.72 and 2,669.47

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Solution

The fourth proportional to 5,011.95, 7,509.72 and 2,669.47 is: 3,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.95 : 7,509.72 = 2,669.47 : x
  2. Step 2: Convert to fraction form
    5,011.95/7,509.72 = 2,669.47/x
  3. Step 3: Cross multiply
    5,011.95x = 7,509.72 × 2,669.47
  4. Step 4: Simplify right side
    5,011.95x = 20,046,972.25
  5. Step 5: Solve for x
    x = 20,046,972.25/5,011.95
  6. Step 6: Final answer
    x = 3,999.83

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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.