Home / 8,761.24-13,143.35-3,830.77

Finding the Fourth Proportional to 8,761.24, 13,143.35 and 3,830.77

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Solution

The fourth proportional to 8,761.24, 13,143.35 and 3,830.77 is: 5,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.24 : 13,143.35 = 3,830.77 : x
  2. Step 2: Convert to fraction form
    8,761.24/13,143.35 = 3,830.77/x
  3. Step 3: Cross multiply
    8,761.24x = 13,143.35 × 3,830.77
  4. Step 4: Simplify right side
    8,761.24x = 50,349,150.88
  5. Step 5: Solve for x
    x = 50,349,150.88/8,761.24
  6. Step 6: Final answer
    x = 5,746.81

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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.