Home / 8,739.16-13,103.73-4,056.76

Finding the Fourth Proportional to 8,739.16, 13,103.73 and 4,056.76

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Solution

The fourth proportional to 8,739.16, 13,103.73 and 4,056.76 is: 6,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.16 : 13,103.73 = 4,056.76 : x
  2. Step 2: Convert to fraction form
    8,739.16/13,103.73 = 4,056.76/x
  3. Step 3: Cross multiply
    8,739.16x = 13,103.73 × 4,056.76
  4. Step 4: Simplify right side
    8,739.16x = 53,158,687.71
  5. Step 5: Solve for x
    x = 53,158,687.71/8,739.16
  6. Step 6: Final answer
    x = 6,082.81

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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.