Home / 8,857.36-12,223.50-4,878.64

Finding the Fourth Proportional to 8,857.36, 12,223.50 and 4,878.64

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Solution

The fourth proportional to 8,857.36, 12,223.50 and 4,878.64 is: 6,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.36 : 12,223.50 = 4,878.64 : x
  2. Step 2: Convert to fraction form
    8,857.36/12,223.50 = 4,878.64/x
  3. Step 3: Cross multiply
    8,857.36x = 12,223.50 × 4,878.64
  4. Step 4: Simplify right side
    8,857.36x = 59,634,056.04
  5. Step 5: Solve for x
    x = 59,634,056.04/8,857.36
  6. Step 6: Final answer
    x = 6,732.71

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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.