Home / 8,412.88-11,608.98-4,876.30

Finding the Fourth Proportional to 8,412.88, 11,608.98 and 4,876.30

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Solution

The fourth proportional to 8,412.88, 11,608.98 and 4,876.30 is: 6,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.88 : 11,608.98 = 4,876.30 : x
  2. Step 2: Convert to fraction form
    8,412.88/11,608.98 = 4,876.30/x
  3. Step 3: Cross multiply
    8,412.88x = 11,608.98 × 4,876.30
  4. Step 4: Simplify right side
    8,412.88x = 56,608,869.17
  5. Step 5: Solve for x
    x = 56,608,869.17/8,412.88
  6. Step 6: Final answer
    x = 6,728.83

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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.