Home / 6,433.56-8,880.05-3,781.82

Finding the Fourth Proportional to 6,433.56, 8,880.05 and 3,781.82

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Solution

The fourth proportional to 6,433.56, 8,880.05 and 3,781.82 is: 5,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.56 : 8,880.05 = 3,781.82 : x
  2. Step 2: Convert to fraction form
    6,433.56/8,880.05 = 3,781.82/x
  3. Step 3: Cross multiply
    6,433.56x = 8,880.05 × 3,781.82
  4. Step 4: Simplify right side
    6,433.56x = 33,582,782.35
  5. Step 5: Solve for x
    x = 33,582,782.35/6,433.56
  6. Step 6: Final answer
    x = 5,219.94

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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.