Home / 8,790.24-13,184.16-2,946.72

Finding the Fourth Proportional to 8,790.24, 13,184.16 and 2,946.72

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Solution

The fourth proportional to 8,790.24, 13,184.16 and 2,946.72 is: 4,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.24 : 13,184.16 = 2,946.72 : x
  2. Step 2: Convert to fraction form
    8,790.24/13,184.16 = 2,946.72/x
  3. Step 3: Cross multiply
    8,790.24x = 13,184.16 × 2,946.72
  4. Step 4: Simplify right side
    8,790.24x = 38,850,027.96
  5. Step 5: Solve for x
    x = 38,850,027.96/8,790.24
  6. Step 6: Final answer
    x = 4,419.68

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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.