Home / 7,209.24-10,812.96-1,944.68

Finding the Fourth Proportional to 7,209.24, 10,812.96 and 1,944.68

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Solution

The fourth proportional to 7,209.24, 10,812.96 and 1,944.68 is: 2,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.24 : 10,812.96 = 1,944.68 : x
  2. Step 2: Convert to fraction form
    7,209.24/10,812.96 = 1,944.68/x
  3. Step 3: Cross multiply
    7,209.24x = 10,812.96 × 1,944.68
  4. Step 4: Simplify right side
    7,209.24x = 21,027,692.99
  5. Step 5: Solve for x
    x = 21,027,692.99/7,209.24
  6. Step 6: Final answer
    x = 2,916.77

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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.