Home / 5,184.43-7,776.70-1,288.84

Finding the Fourth Proportional to 5,184.43, 7,776.70 and 1,288.84

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Solution

The fourth proportional to 5,184.43, 7,776.70 and 1,288.84 is: 1,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.43 : 7,776.70 = 1,288.84 : x
  2. Step 2: Convert to fraction form
    5,184.43/7,776.70 = 1,288.84/x
  3. Step 3: Cross multiply
    5,184.43x = 7,776.70 × 1,288.84
  4. Step 4: Simplify right side
    5,184.43x = 10,022,922.03
  5. Step 5: Solve for x
    x = 10,022,922.03/5,184.43
  6. Step 6: Final answer
    x = 1,933.27

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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.