Home / 7,715.54-11,573.70-2,450.15

Finding the Fourth Proportional to 7,715.54, 11,573.70 and 2,450.15

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Solution

The fourth proportional to 7,715.54, 11,573.70 and 2,450.15 is: 3,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.54 : 11,573.70 = 2,450.15 : x
  2. Step 2: Convert to fraction form
    7,715.54/11,573.70 = 2,450.15/x
  3. Step 3: Cross multiply
    7,715.54x = 11,573.70 × 2,450.15
  4. Step 4: Simplify right side
    7,715.54x = 28,357,243.19
  5. Step 5: Solve for x
    x = 28,357,243.19/7,715.54
  6. Step 6: Final answer
    x = 3,675.34

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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.