Home / 4,107.40-6,132.76-3,521.46

Finding the Fourth Proportional to 4,107.40, 6,132.76 and 3,521.46

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Solution

The fourth proportional to 4,107.40, 6,132.76 and 3,521.46 is: 5,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.40 : 6,132.76 = 3,521.46 : x
  2. Step 2: Convert to fraction form
    4,107.40/6,132.76 = 3,521.46/x
  3. Step 3: Cross multiply
    4,107.40x = 6,132.76 × 3,521.46
  4. Step 4: Simplify right side
    4,107.40x = 21,596,269.03
  5. Step 5: Solve for x
    x = 21,596,269.03/4,107.40
  6. Step 6: Final answer
    x = 5,257.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.