Home / 7,115.22-10,670.40-2,116.26

Finding the Fourth Proportional to 7,115.22, 10,670.40 and 2,116.26

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Solution

The fourth proportional to 7,115.22, 10,670.40 and 2,116.26 is: 3,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.22 : 10,670.40 = 2,116.26 : x
  2. Step 2: Convert to fraction form
    7,115.22/10,670.40 = 2,116.26/x
  3. Step 3: Cross multiply
    7,115.22x = 10,670.40 × 2,116.26
  4. Step 4: Simplify right side
    7,115.22x = 22,581,340.70
  5. Step 5: Solve for x
    x = 22,581,340.70/7,115.22
  6. Step 6: Final answer
    x = 3,173.67

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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.