Home / 8,412.72-11,610.36-4,874.64

Finding the Fourth Proportional to 8,412.72, 11,610.36 and 4,874.64

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Solution

The fourth proportional to 8,412.72, 11,610.36 and 4,874.64 is: 6,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.72 : 11,610.36 = 4,874.64 : x
  2. Step 2: Convert to fraction form
    8,412.72/11,610.36 = 4,874.64/x
  3. Step 3: Cross multiply
    8,412.72x = 11,610.36 × 4,874.64
  4. Step 4: Simplify right side
    8,412.72x = 56,596,325.27
  5. Step 5: Solve for x
    x = 56,596,325.27/8,412.72
  6. Step 6: Final answer
    x = 6,727.47

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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.