Home / 4,719.84-7,067.40-3,157.36

Finding the Fourth Proportional to 4,719.84, 7,067.40 and 3,157.36

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Solution

The fourth proportional to 4,719.84, 7,067.40 and 3,157.36 is: 4,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.84 : 7,067.40 = 3,157.36 : x
  2. Step 2: Convert to fraction form
    4,719.84/7,067.40 = 3,157.36/x
  3. Step 3: Cross multiply
    4,719.84x = 7,067.40 × 3,157.36
  4. Step 4: Simplify right side
    4,719.84x = 22,314,326.06
  5. Step 5: Solve for x
    x = 22,314,326.06/4,719.84
  6. Step 6: Final answer
    x = 4,727.77

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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.