Home / 6,351.45-8,767.74-4,372.21

Finding the Fourth Proportional to 6,351.45, 8,767.74 and 4,372.21

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Solution

The fourth proportional to 6,351.45, 8,767.74 and 4,372.21 is: 6,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.45 : 8,767.74 = 4,372.21 : x
  2. Step 2: Convert to fraction form
    6,351.45/8,767.74 = 4,372.21/x
  3. Step 3: Cross multiply
    6,351.45x = 8,767.74 × 4,372.21
  4. Step 4: Simplify right side
    6,351.45x = 38,334,400.51
  5. Step 5: Solve for x
    x = 38,334,400.51/6,351.45
  6. Step 6: Final answer
    x = 6,035.54

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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.