Home / 4,145.25-6,218.90-1,953.46

Finding the Fourth Proportional to 4,145.25, 6,218.90 and 1,953.46

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Solution

The fourth proportional to 4,145.25, 6,218.90 and 1,953.46 is: 2,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.25 : 6,218.90 = 1,953.46 : x
  2. Step 2: Convert to fraction form
    4,145.25/6,218.90 = 1,953.46/x
  3. Step 3: Cross multiply
    4,145.25x = 6,218.90 × 1,953.46
  4. Step 4: Simplify right side
    4,145.25x = 12,148,372.39
  5. Step 5: Solve for x
    x = 12,148,372.39/4,145.25
  6. Step 6: Final answer
    x = 2,930.67

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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.