Home / 8,816.11-13,200.47-4,647.45

Finding the Fourth Proportional to 8,816.11, 13,200.47 and 4,647.45

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Solution

The fourth proportional to 8,816.11, 13,200.47 and 4,647.45 is: 6,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.11 : 13,200.47 = 4,647.45 : x
  2. Step 2: Convert to fraction form
    8,816.11/13,200.47 = 4,647.45/x
  3. Step 3: Cross multiply
    8,816.11x = 13,200.47 × 4,647.45
  4. Step 4: Simplify right side
    8,816.11x = 61,348,524.30
  5. Step 5: Solve for x
    x = 61,348,524.30/8,816.11
  6. Step 6: Final answer
    x = 6,958.68

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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.