Home / 8,211.50-11,331.69-5,024.55

Finding the Fourth Proportional to 8,211.50, 11,331.69 and 5,024.55

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Solution

The fourth proportional to 8,211.50, 11,331.69 and 5,024.55 is: 6,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.50 : 11,331.69 = 5,024.55 : x
  2. Step 2: Convert to fraction form
    8,211.50/11,331.69 = 5,024.55/x
  3. Step 3: Cross multiply
    8,211.50x = 11,331.69 × 5,024.55
  4. Step 4: Simplify right side
    8,211.50x = 56,936,642.99
  5. Step 5: Solve for x
    x = 56,936,642.99/8,211.50
  6. Step 6: Final answer
    x = 6,933.77

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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.