Home / 7,868.44-11,799.91-2,320.32

Finding the Fourth Proportional to 7,868.44, 11,799.91 and 2,320.32

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Solution

The fourth proportional to 7,868.44, 11,799.91 and 2,320.32 is: 3,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.44 : 11,799.91 = 2,320.32 : x
  2. Step 2: Convert to fraction form
    7,868.44/11,799.91 = 2,320.32/x
  3. Step 3: Cross multiply
    7,868.44x = 11,799.91 × 2,320.32
  4. Step 4: Simplify right side
    7,868.44x = 27,379,567.17
  5. Step 5: Solve for x
    x = 27,379,567.17/7,868.44
  6. Step 6: Final answer
    x = 3,479.67

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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.