Home / 7,475.85-11,214.09-2,795.40

Finding the Fourth Proportional to 7,475.85, 11,214.09 and 2,795.40

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Solution

The fourth proportional to 7,475.85, 11,214.09 and 2,795.40 is: 4,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.85 : 11,214.09 = 2,795.40 : x
  2. Step 2: Convert to fraction form
    7,475.85/11,214.09 = 2,795.40/x
  3. Step 3: Cross multiply
    7,475.85x = 11,214.09 × 2,795.40
  4. Step 4: Simplify right side
    7,475.85x = 31,347,867.19
  5. Step 5: Solve for x
    x = 31,347,867.19/7,475.85
  6. Step 6: Final answer
    x = 4,193.22

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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.