Home / 6,290.39-8,682.56-5,040.17

Finding the Fourth Proportional to 6,290.39, 8,682.56 and 5,040.17

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Solution

The fourth proportional to 6,290.39, 8,682.56 and 5,040.17 is: 6,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.39 : 8,682.56 = 5,040.17 : x
  2. Step 2: Convert to fraction form
    6,290.39/8,682.56 = 5,040.17/x
  3. Step 3: Cross multiply
    6,290.39x = 8,682.56 × 5,040.17
  4. Step 4: Simplify right side
    6,290.39x = 43,761,553.23
  5. Step 5: Solve for x
    x = 43,761,553.23/6,290.39
  6. Step 6: Final answer
    x = 6,956.89

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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.