Home / 6,944.63-10,421.19-2,784.20

Finding the Fourth Proportional to 6,944.63, 10,421.19 and 2,784.20

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Solution

The fourth proportional to 6,944.63, 10,421.19 and 2,784.20 is: 4,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,944.63 : 10,421.19 = 2,784.20 : x
  2. Step 2: Convert to fraction form
    6,944.63/10,421.19 = 2,784.20/x
  3. Step 3: Cross multiply
    6,944.63x = 10,421.19 × 2,784.20
  4. Step 4: Simplify right side
    6,944.63x = 29,014,625.09
  5. Step 5: Solve for x
    x = 29,014,625.09/6,944.63
  6. Step 6: Final answer
    x = 4,178.00

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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.