Home / 8,889.05-12,266.63-4,910.08

Finding the Fourth Proportional to 8,889.05, 12,266.63 and 4,910.08

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Solution

The fourth proportional to 8,889.05, 12,266.63 and 4,910.08 is: 6,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.05 : 12,266.63 = 4,910.08 : x
  2. Step 2: Convert to fraction form
    8,889.05/12,266.63 = 4,910.08/x
  3. Step 3: Cross multiply
    8,889.05x = 12,266.63 × 4,910.08
  4. Step 4: Simplify right side
    8,889.05x = 60,230,073.30
  5. Step 5: Solve for x
    x = 60,230,073.30/8,889.05
  6. Step 6: Final answer
    x = 6,775.76

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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.