Home / 8,124.16-12,186.24-4,654

Finding the Fourth Proportional to 8,124.16, 12,186.24 and 4,654

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Solution

The fourth proportional to 8,124.16, 12,186.24 and 4,654 is: 6,981

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.16 : 12,186.24 = 4,654 : x
  2. Step 2: Convert to fraction form
    8,124.16/12,186.24 = 4,654/x
  3. Step 3: Cross multiply
    8,124.16x = 12,186.24 × 4,654
  4. Step 4: Simplify right side
    8,124.16x = 56,714,760.96
  5. Step 5: Solve for x
    x = 56,714,760.96/8,124.16
  6. Step 6: Final answer
    x = 6,981

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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.