Home / 6,263.79-8,640.12-4,028.58

Finding the Fourth Proportional to 6,263.79, 8,640.12 and 4,028.58

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Solution

The fourth proportional to 6,263.79, 8,640.12 and 4,028.58 is: 5,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.79 : 8,640.12 = 4,028.58 : x
  2. Step 2: Convert to fraction form
    6,263.79/8,640.12 = 4,028.58/x
  3. Step 3: Cross multiply
    6,263.79x = 8,640.12 × 4,028.58
  4. Step 4: Simplify right side
    6,263.79x = 34,807,414.63
  5. Step 5: Solve for x
    x = 34,807,414.63/6,263.79
  6. Step 6: Final answer
    x = 5,556.93

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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.