Home / 8,130.81-12,197.03-3,749.52

Finding the Fourth Proportional to 8,130.81, 12,197.03 and 3,749.52

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Solution

The fourth proportional to 8,130.81, 12,197.03 and 3,749.52 is: 5,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.81 : 12,197.03 = 3,749.52 : x
  2. Step 2: Convert to fraction form
    8,130.81/12,197.03 = 3,749.52/x
  3. Step 3: Cross multiply
    8,130.81x = 12,197.03 × 3,749.52
  4. Step 4: Simplify right side
    8,130.81x = 45,733,056.01
  5. Step 5: Solve for x
    x = 45,733,056.01/8,130.81
  6. Step 6: Final answer
    x = 5,624.66

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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.