Home / 4,742.25-7,115.00-4,622.37

Finding the Fourth Proportional to 4,742.25, 7,115.00 and 4,622.37

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Solution

The fourth proportional to 4,742.25, 7,115.00 and 4,622.37 is: 6,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.25 : 7,115.00 = 4,622.37 : x
  2. Step 2: Convert to fraction form
    4,742.25/7,115.00 = 4,622.37/x
  3. Step 3: Cross multiply
    4,742.25x = 7,115.00 × 4,622.37
  4. Step 4: Simplify right side
    4,742.25x = 32,888,139.44
  5. Step 5: Solve for x
    x = 32,888,139.44/4,742.25
  6. Step 6: Final answer
    x = 6,935.13

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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.