Home / 4,722.87-7,078.14-1,946.37

Finding the Fourth Proportional to 4,722.87, 7,078.14 and 1,946.37

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Solution

The fourth proportional to 4,722.87, 7,078.14 and 1,946.37 is: 2,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.87 : 7,078.14 = 1,946.37 : x
  2. Step 2: Convert to fraction form
    4,722.87/7,078.14 = 1,946.37/x
  3. Step 3: Cross multiply
    4,722.87x = 7,078.14 × 1,946.37
  4. Step 4: Simplify right side
    4,722.87x = 13,776,679.35
  5. Step 5: Solve for x
    x = 13,776,679.35/4,722.87
  6. Step 6: Final answer
    x = 2,917.01

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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.