Home / 8,298.15-12,439.93-3,102.81

Finding the Fourth Proportional to 8,298.15, 12,439.93 and 3,102.81

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Solution

The fourth proportional to 8,298.15, 12,439.93 and 3,102.81 is: 4,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.15 : 12,439.93 = 3,102.81 : x
  2. Step 2: Convert to fraction form
    8,298.15/12,439.93 = 3,102.81/x
  3. Step 3: Cross multiply
    8,298.15x = 12,439.93 × 3,102.81
  4. Step 4: Simplify right side
    8,298.15x = 38,598,661.49
  5. Step 5: Solve for x
    x = 38,598,661.49/8,298.15
  6. Step 6: Final answer
    x = 4,651.48

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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.