Home / 4,314.31-6,474.57-2,123.68

Finding the Fourth Proportional to 4,314.31, 6,474.57 and 2,123.68

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Solution

The fourth proportional to 4,314.31, 6,474.57 and 2,123.68 is: 3,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.31 : 6,474.57 = 2,123.68 : x
  2. Step 2: Convert to fraction form
    4,314.31/6,474.57 = 2,123.68/x
  3. Step 3: Cross multiply
    4,314.31x = 6,474.57 × 2,123.68
  4. Step 4: Simplify right side
    4,314.31x = 13,749,914.82
  5. Step 5: Solve for x
    x = 13,749,914.82/4,314.31
  6. Step 6: Final answer
    x = 3,187.05

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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.