Home / 4,123.32-5,678.01-3,409.85

Finding the Fourth Proportional to 4,123.32, 5,678.01 and 3,409.85

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Solution

The fourth proportional to 4,123.32, 5,678.01 and 3,409.85 is: 4,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.32 : 5,678.01 = 3,409.85 : x
  2. Step 2: Convert to fraction form
    4,123.32/5,678.01 = 3,409.85/x
  3. Step 3: Cross multiply
    4,123.32x = 5,678.01 × 3,409.85
  4. Step 4: Simplify right side
    4,123.32x = 19,361,134.01
  5. Step 5: Solve for x
    x = 19,361,134.01/4,123.32
  6. Step 6: Final answer
    x = 4,695.52

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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.