Home / 5,288.45-7,298.90-3,193.79

Finding the Fourth Proportional to 5,288.45, 7,298.90 and 3,193.79

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Solution

The fourth proportional to 5,288.45, 7,298.90 and 3,193.79 is: 4,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.45 : 7,298.90 = 3,193.79 : x
  2. Step 2: Convert to fraction form
    5,288.45/7,298.90 = 3,193.79/x
  3. Step 3: Cross multiply
    5,288.45x = 7,298.90 × 3,193.79
  4. Step 4: Simplify right side
    5,288.45x = 23,311,101.37
  5. Step 5: Solve for x
    x = 23,311,101.37/5,288.45
  6. Step 6: Final answer
    x = 4,407.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.