Home / 5,670.03-7,824.15-3,279.60

Finding the Fourth Proportional to 5,670.03, 7,824.15 and 3,279.60

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Solution

The fourth proportional to 5,670.03, 7,824.15 and 3,279.60 is: 4,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.03 : 7,824.15 = 3,279.60 : x
  2. Step 2: Convert to fraction form
    5,670.03/7,824.15 = 3,279.60/x
  3. Step 3: Cross multiply
    5,670.03x = 7,824.15 × 3,279.60
  4. Step 4: Simplify right side
    5,670.03x = 25,660,082.34
  5. Step 5: Solve for x
    x = 25,660,082.34/5,670.03
  6. Step 6: Final answer
    x = 4,525.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.