Home / 8,578.11-11,829.87-5,592.45

Finding the Fourth Proportional to 8,578.11, 11,829.87 and 5,592.45

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Solution

The fourth proportional to 8,578.11, 11,829.87 and 5,592.45 is: 7,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.11 : 11,829.87 = 5,592.45 : x
  2. Step 2: Convert to fraction form
    8,578.11/11,829.87 = 5,592.45/x
  3. Step 3: Cross multiply
    8,578.11x = 11,829.87 × 5,592.45
  4. Step 4: Simplify right side
    8,578.11x = 66,157,956.48
  5. Step 5: Solve for x
    x = 66,157,956.48/8,578.11
  6. Step 6: Final answer
    x = 7,712.42

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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.