Home / 7,085.20-10,623.90-3,388.36

Finding the Fourth Proportional to 7,085.20, 10,623.90 and 3,388.36

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Solution

The fourth proportional to 7,085.20, 10,623.90 and 3,388.36 is: 5,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.20 : 10,623.90 = 3,388.36 : x
  2. Step 2: Convert to fraction form
    7,085.20/10,623.90 = 3,388.36/x
  3. Step 3: Cross multiply
    7,085.20x = 10,623.90 × 3,388.36
  4. Step 4: Simplify right side
    7,085.20x = 35,997,597.80
  5. Step 5: Solve for x
    x = 35,997,597.80/7,085.20
  6. Step 6: Final answer
    x = 5,080.67

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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.