Home / 9,113.21-13,671.64-2,873.80

Finding the Fourth Proportional to 9,113.21, 13,671.64 and 2,873.80

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Solution

The fourth proportional to 9,113.21, 13,671.64 and 2,873.80 is: 4,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.21 : 13,671.64 = 2,873.80 : x
  2. Step 2: Convert to fraction form
    9,113.21/13,671.64 = 2,873.80/x
  3. Step 3: Cross multiply
    9,113.21x = 13,671.64 × 2,873.80
  4. Step 4: Simplify right side
    9,113.21x = 39,289,602.00
  5. Step 5: Solve for x
    x = 39,289,602.00/9,113.21
  6. Step 6: Final answer
    x = 4,311.28

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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.