Home / 7,618.35-11,427.77-2,620.67

Finding the Fourth Proportional to 7,618.35, 11,427.77 and 2,620.67

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Solution

The fourth proportional to 7,618.35, 11,427.77 and 2,620.67 is: 3,931.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.35 : 11,427.77 = 2,620.67 : x
  2. Step 2: Convert to fraction form
    7,618.35/11,427.77 = 2,620.67/x
  3. Step 3: Cross multiply
    7,618.35x = 11,427.77 × 2,620.67
  4. Step 4: Simplify right side
    7,618.35x = 29,948,449.13
  5. Step 5: Solve for x
    x = 29,948,449.13/7,618.35
  6. Step 6: Final answer
    x = 3,931.09

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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.