Home / 8,728.72-13,095.24-2,885.44

Finding the Fourth Proportional to 8,728.72, 13,095.24 and 2,885.44

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Solution

The fourth proportional to 8,728.72, 13,095.24 and 2,885.44 is: 4,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.72 : 13,095.24 = 2,885.44 : x
  2. Step 2: Convert to fraction form
    8,728.72/13,095.24 = 2,885.44/x
  3. Step 3: Cross multiply
    8,728.72x = 13,095.24 × 2,885.44
  4. Step 4: Simplify right side
    8,728.72x = 37,785,529.31
  5. Step 5: Solve for x
    x = 37,785,529.31/8,728.72
  6. Step 6: Final answer
    x = 4,328.87

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1.5x scale

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.