Home / 7,110.85-10,666.92-1,845.85

Finding the Fourth Proportional to 7,110.85, 10,666.92 and 1,845.85

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Solution

The fourth proportional to 7,110.85, 10,666.92 and 1,845.85 is: 2,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.85 : 10,666.92 = 1,845.85 : x
  2. Step 2: Convert to fraction form
    7,110.85/10,666.92 = 1,845.85/x
  3. Step 3: Cross multiply
    7,110.85x = 10,666.92 × 1,845.85
  4. Step 4: Simplify right side
    7,110.85x = 19,689,534.28
  5. Step 5: Solve for x
    x = 19,689,534.28/7,110.85
  6. Step 6: Final answer
    x = 2,768.94

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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.