Home / 8,126.69-11,215.85-4,589.82

Finding the Fourth Proportional to 8,126.69, 11,215.85 and 4,589.82

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Solution

The fourth proportional to 8,126.69, 11,215.85 and 4,589.82 is: 6,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.69 : 11,215.85 = 4,589.82 : x
  2. Step 2: Convert to fraction form
    8,126.69/11,215.85 = 4,589.82/x
  3. Step 3: Cross multiply
    8,126.69x = 11,215.85 × 4,589.82
  4. Step 4: Simplify right side
    8,126.69x = 51,478,709.70
  5. Step 5: Solve for x
    x = 51,478,709.70/8,126.69
  6. Step 6: Final answer
    x = 6,334.53

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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.