Home / 6,286.76-9,430.16-1,904.25

Finding the Fourth Proportional to 6,286.76, 9,430.16 and 1,904.25

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Solution

The fourth proportional to 6,286.76, 9,430.16 and 1,904.25 is: 2,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.76 : 9,430.16 = 1,904.25 : x
  2. Step 2: Convert to fraction form
    6,286.76/9,430.16 = 1,904.25/x
  3. Step 3: Cross multiply
    6,286.76x = 9,430.16 × 1,904.25
  4. Step 4: Simplify right side
    6,286.76x = 17,957,408.02
  5. Step 5: Solve for x
    x = 17,957,408.02/6,286.76
  6. Step 6: Final answer
    x = 2,856.39

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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.