Home / 9,305.16-12,845.52-5,903.88

Finding the Fourth Proportional to 9,305.16, 12,845.52 and 5,903.88

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Solution

The fourth proportional to 9,305.16, 12,845.52 and 5,903.88 is: 8,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.16 : 12,845.52 = 5,903.88 : x
  2. Step 2: Convert to fraction form
    9,305.16/12,845.52 = 5,903.88/x
  3. Step 3: Cross multiply
    9,305.16x = 12,845.52 × 5,903.88
  4. Step 4: Simplify right side
    9,305.16x = 75,838,408.62
  5. Step 5: Solve for x
    x = 75,838,408.62/9,305.16
  6. Step 6: Final answer
    x = 8,150.15

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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.