Home / 6,431.03-9,646.88-1,814.39

Finding the Fourth Proportional to 6,431.03, 9,646.88 and 1,814.39

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Solution

The fourth proportional to 6,431.03, 9,646.88 and 1,814.39 is: 2,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.03 : 9,646.88 = 1,814.39 : x
  2. Step 2: Convert to fraction form
    6,431.03/9,646.88 = 1,814.39/x
  3. Step 3: Cross multiply
    6,431.03x = 9,646.88 × 1,814.39
  4. Step 4: Simplify right side
    6,431.03x = 17,503,193.53
  5. Step 5: Solve for x
    x = 17,503,193.53/6,431.03
  6. Step 6: Final answer
    x = 2,721.68

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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.