Home / 6,890.31-10,327.77-3,603.74

Finding the Fourth Proportional to 6,890.31, 10,327.77 and 3,603.74

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Solution

The fourth proportional to 6,890.31, 10,327.77 and 3,603.74 is: 5,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.31 : 10,327.77 = 3,603.74 : x
  2. Step 2: Convert to fraction form
    6,890.31/10,327.77 = 3,603.74/x
  3. Step 3: Cross multiply
    6,890.31x = 10,327.77 × 3,603.74
  4. Step 4: Simplify right side
    6,890.31x = 37,218,546.22
  5. Step 5: Solve for x
    x = 37,218,546.22/6,890.31
  6. Step 6: Final answer
    x = 5,401.58

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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.