Home / 8,579.51-11,839.88-6,693.22

Finding the Fourth Proportional to 8,579.51, 11,839.88 and 6,693.22

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Solution

The fourth proportional to 8,579.51, 11,839.88 and 6,693.22 is: 9,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.51 : 11,839.88 = 6,693.22 : x
  2. Step 2: Convert to fraction form
    8,579.51/11,839.88 = 6,693.22/x
  3. Step 3: Cross multiply
    8,579.51x = 11,839.88 × 6,693.22
  4. Step 4: Simplify right side
    8,579.51x = 79,246,921.61
  5. Step 5: Solve for x
    x = 79,246,921.61/8,579.51
  6. Step 6: Final answer
    x = 9,236.77

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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.