Home / 6,742.36-9,303.40-3,758.20

Finding the Fourth Proportional to 6,742.36, 9,303.40 and 3,758.20

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Solution

The fourth proportional to 6,742.36, 9,303.40 and 3,758.20 is: 5,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.36 : 9,303.40 = 3,758.20 : x
  2. Step 2: Convert to fraction form
    6,742.36/9,303.40 = 3,758.20/x
  3. Step 3: Cross multiply
    6,742.36x = 9,303.40 × 3,758.20
  4. Step 4: Simplify right side
    6,742.36x = 34,964,037.88
  5. Step 5: Solve for x
    x = 34,964,037.88/6,742.36
  6. Step 6: Final answer
    x = 5,185.73

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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.