Home / 8,389.60-11,576.70-4,853.92

Finding the Fourth Proportional to 8,389.60, 11,576.70 and 4,853.92

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Solution

The fourth proportional to 8,389.60, 11,576.70 and 4,853.92 is: 6,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.60 : 11,576.70 = 4,853.92 : x
  2. Step 2: Convert to fraction form
    8,389.60/11,576.70 = 4,853.92/x
  3. Step 3: Cross multiply
    8,389.60x = 11,576.70 × 4,853.92
  4. Step 4: Simplify right side
    8,389.60x = 56,192,375.66
  5. Step 5: Solve for x
    x = 56,192,375.66/8,389.60
  6. Step 6: Final answer
    x = 6,697.86

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1.5x scale

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.