Home / 7,860.10-11,791.32-2,595.67

Finding the Fourth Proportional to 7,860.10, 11,791.32 and 2,595.67

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Solution

The fourth proportional to 7,860.10, 11,791.32 and 2,595.67 is: 3,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.10 : 11,791.32 = 2,595.67 : x
  2. Step 2: Convert to fraction form
    7,860.10/11,791.32 = 2,595.67/x
  3. Step 3: Cross multiply
    7,860.10x = 11,791.32 × 2,595.67
  4. Step 4: Simplify right side
    7,860.10x = 30,606,316.63
  5. Step 5: Solve for x
    x = 30,606,316.63/7,860.10
  6. Step 6: Final answer
    x = 3,893.88

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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.