Home / 8,817.05-13,216.35-2,971.64

Finding the Fourth Proportional to 8,817.05, 13,216.35 and 2,971.64

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Solution

The fourth proportional to 8,817.05, 13,216.35 and 2,971.64 is: 4,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.05 : 13,216.35 = 2,971.64 : x
  2. Step 2: Convert to fraction form
    8,817.05/13,216.35 = 2,971.64/x
  3. Step 3: Cross multiply
    8,817.05x = 13,216.35 × 2,971.64
  4. Step 4: Simplify right side
    8,817.05x = 39,274,234.31
  5. Step 5: Solve for x
    x = 39,274,234.31/8,817.05
  6. Step 6: Final answer
    x = 4,454.35

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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.