Home / 8,790.46-13,178.48-4,108.16

Finding the Fourth Proportional to 8,790.46, 13,178.48 and 4,108.16

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Solution

The fourth proportional to 8,790.46, 13,178.48 and 4,108.16 is: 6,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.46 : 13,178.48 = 4,108.16 : x
  2. Step 2: Convert to fraction form
    8,790.46/13,178.48 = 4,108.16/x
  3. Step 3: Cross multiply
    8,790.46x = 13,178.48 × 4,108.16
  4. Step 4: Simplify right side
    8,790.46x = 54,139,304.40
  5. Step 5: Solve for x
    x = 54,139,304.40/8,790.46
  6. Step 6: Final answer
    x = 6,158.87

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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.