Home / 8,579.55-11,839.91-5,222.51

Finding the Fourth Proportional to 8,579.55, 11,839.91 and 5,222.51

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Solution

The fourth proportional to 8,579.55, 11,839.91 and 5,222.51 is: 7,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.55 : 11,839.91 = 5,222.51 : x
  2. Step 2: Convert to fraction form
    8,579.55/11,839.91 = 5,222.51/x
  3. Step 3: Cross multiply
    8,579.55x = 11,839.91 × 5,222.51
  4. Step 4: Simplify right side
    8,579.55x = 61,833,963.06
  5. Step 5: Solve for x
    x = 61,833,963.06/8,579.55
  6. Step 6: Final answer
    x = 7,207.13

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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.