Home / 7,420.00-11,113.82-3,715.76

Finding the Fourth Proportional to 7,420.00, 11,113.82 and 3,715.76

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Solution

The fourth proportional to 7,420.00, 11,113.82 and 3,715.76 is: 5,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.00 : 11,113.82 = 3,715.76 : x
  2. Step 2: Convert to fraction form
    7,420.00/11,113.82 = 3,715.76/x
  3. Step 3: Cross multiply
    7,420.00x = 11,113.82 × 3,715.76
  4. Step 4: Simplify right side
    7,420.00x = 41,296,297.01
  5. Step 5: Solve for x
    x = 41,296,297.01/7,420.00
  6. Step 6: Final answer
    x = 5,565.54

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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.