Home / 6,425.63-9,639.55-2,208.68

Finding the Fourth Proportional to 6,425.63, 9,639.55 and 2,208.68

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Solution

The fourth proportional to 6,425.63, 9,639.55 and 2,208.68 is: 3,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.63 : 9,639.55 = 2,208.68 : x
  2. Step 2: Convert to fraction form
    6,425.63/9,639.55 = 2,208.68/x
  3. Step 3: Cross multiply
    6,425.63x = 9,639.55 × 2,208.68
  4. Step 4: Simplify right side
    6,425.63x = 21,290,699.87
  5. Step 5: Solve for x
    x = 21,290,699.87/6,425.63
  6. Step 6: Final answer
    x = 3,313.40

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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.