Home / 4,255.89-6,385.74-2,174.81

Finding the Fourth Proportional to 4,255.89, 6,385.74 and 2,174.81

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Solution

The fourth proportional to 4,255.89, 6,385.74 and 2,174.81 is: 3,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.89 : 6,385.74 = 2,174.81 : x
  2. Step 2: Convert to fraction form
    4,255.89/6,385.74 = 2,174.81/x
  3. Step 3: Cross multiply
    4,255.89x = 6,385.74 × 2,174.81
  4. Step 4: Simplify right side
    4,255.89x = 13,887,739.28
  5. Step 5: Solve for x
    x = 13,887,739.28/4,255.89
  6. Step 6: Final answer
    x = 3,263.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.