Home / 8,097.47-12,126.61-3,927.15

Finding the Fourth Proportional to 8,097.47, 12,126.61 and 3,927.15

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Solution

The fourth proportional to 8,097.47, 12,126.61 and 3,927.15 is: 5,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.47 : 12,126.61 = 3,927.15 : x
  2. Step 2: Convert to fraction form
    8,097.47/12,126.61 = 3,927.15/x
  3. Step 3: Cross multiply
    8,097.47x = 12,126.61 × 3,927.15
  4. Step 4: Simplify right side
    8,097.47x = 47,623,021.37
  5. Step 5: Solve for x
    x = 47,623,021.37/8,097.47
  6. Step 6: Final answer
    x = 5,881.22

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1.5x scale

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.