Home / 6,290.25-9,434.56-2,130.09

Finding the Fourth Proportional to 6,290.25, 9,434.56 and 2,130.09

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Solution

The fourth proportional to 6,290.25, 9,434.56 and 2,130.09 is: 3,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.25 : 9,434.56 = 2,130.09 : x
  2. Step 2: Convert to fraction form
    6,290.25/9,434.56 = 2,130.09/x
  3. Step 3: Cross multiply
    6,290.25x = 9,434.56 × 2,130.09
  4. Step 4: Simplify right side
    6,290.25x = 20,096,461.91
  5. Step 5: Solve for x
    x = 20,096,461.91/6,290.25
  6. Step 6: Final answer
    x = 3,194.86

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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.