Home / 8,541.12-11,786.64-4,956.72

Finding the Fourth Proportional to 8,541.12, 11,786.64 and 4,956.72

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Solution

The fourth proportional to 8,541.12, 11,786.64 and 4,956.72 is: 6,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.12 : 11,786.64 = 4,956.72 : x
  2. Step 2: Convert to fraction form
    8,541.12/11,786.64 = 4,956.72/x
  3. Step 3: Cross multiply
    8,541.12x = 11,786.64 × 4,956.72
  4. Step 4: Simplify right side
    8,541.12x = 58,423,074.22
  5. Step 5: Solve for x
    x = 58,423,074.22/8,541.12
  6. Step 6: Final answer
    x = 6,840.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.