Home / 6,421.04-9,628.68-2,037.68

Finding the Fourth Proportional to 6,421.04, 9,628.68 and 2,037.68

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Solution

The fourth proportional to 6,421.04, 9,628.68 and 2,037.68 is: 3,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.04 : 9,628.68 = 2,037.68 : x
  2. Step 2: Convert to fraction form
    6,421.04/9,628.68 = 2,037.68/x
  3. Step 3: Cross multiply
    6,421.04x = 9,628.68 × 2,037.68
  4. Step 4: Simplify right side
    6,421.04x = 19,620,168.66
  5. Step 5: Solve for x
    x = 19,620,168.66/6,421.04
  6. Step 6: Final answer
    x = 3,055.61

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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.