Home / 4,296.81-6,444.19-3,140.43

Finding the Fourth Proportional to 4,296.81, 6,444.19 and 3,140.43

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Solution

The fourth proportional to 4,296.81, 6,444.19 and 3,140.43 is: 4,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,296.81 : 6,444.19 = 3,140.43 : x
  2. Step 2: Convert to fraction form
    4,296.81/6,444.19 = 3,140.43/x
  3. Step 3: Cross multiply
    4,296.81x = 6,444.19 × 3,140.43
  4. Step 4: Simplify right side
    4,296.81x = 20,237,525.95
  5. Step 5: Solve for x
    x = 20,237,525.95/4,296.81
  6. Step 6: Final answer
    x = 4,709.90

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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.