Home / 8,273.84-11,417.32-5,921.52

Finding the Fourth Proportional to 8,273.84, 11,417.32 and 5,921.52

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Solution

The fourth proportional to 8,273.84, 11,417.32 and 5,921.52 is: 8,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.84 : 11,417.32 = 5,921.52 : x
  2. Step 2: Convert to fraction form
    8,273.84/11,417.32 = 5,921.52/x
  3. Step 3: Cross multiply
    8,273.84x = 11,417.32 × 5,921.52
  4. Step 4: Simplify right side
    8,273.84x = 67,607,888.73
  5. Step 5: Solve for x
    x = 67,607,888.73/8,273.84
  6. Step 6: Final answer
    x = 8,171.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.