Home / 7,155.64-10,729.99-2,225.31

Finding the Fourth Proportional to 7,155.64, 10,729.99 and 2,225.31

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Solution

The fourth proportional to 7,155.64, 10,729.99 and 2,225.31 is: 3,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.64 : 10,729.99 = 2,225.31 : x
  2. Step 2: Convert to fraction form
    7,155.64/10,729.99 = 2,225.31/x
  3. Step 3: Cross multiply
    7,155.64x = 10,729.99 × 2,225.31
  4. Step 4: Simplify right side
    7,155.64x = 23,877,554.05
  5. Step 5: Solve for x
    x = 23,877,554.05/7,155.64
  6. Step 6: Final answer
    x = 3,336.89

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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.