Home / 5,534.36-7,643.40-3,770.72

Finding the Fourth Proportional to 5,534.36, 7,643.40 and 3,770.72

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Solution

The fourth proportional to 5,534.36, 7,643.40 and 3,770.72 is: 5,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.36 : 7,643.40 = 3,770.72 : x
  2. Step 2: Convert to fraction form
    5,534.36/7,643.40 = 3,770.72/x
  3. Step 3: Cross multiply
    5,534.36x = 7,643.40 × 3,770.72
  4. Step 4: Simplify right side
    5,534.36x = 28,821,121.25
  5. Step 5: Solve for x
    x = 28,821,121.25/5,534.36
  6. Step 6: Final answer
    x = 5,207.67

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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.