Home / 8,269.61-11,408.90-6,121.26

Finding the Fourth Proportional to 8,269.61, 11,408.90 and 6,121.26

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Solution

The fourth proportional to 8,269.61, 11,408.90 and 6,121.26 is: 8,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.61 : 11,408.90 = 6,121.26 : x
  2. Step 2: Convert to fraction form
    8,269.61/11,408.90 = 6,121.26/x
  3. Step 3: Cross multiply
    8,269.61x = 11,408.90 × 6,121.26
  4. Step 4: Simplify right side
    8,269.61x = 69,836,812.61
  5. Step 5: Solve for x
    x = 69,836,812.61/8,269.61
  6. Step 6: Final answer
    x = 8,445.00

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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.