Home / 5,645.26-8,465.70-1,946.80

Finding the Fourth Proportional to 5,645.26, 8,465.70 and 1,946.80

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Solution

The fourth proportional to 5,645.26, 8,465.70 and 1,946.80 is: 2,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.26 : 8,465.70 = 1,946.80 : x
  2. Step 2: Convert to fraction form
    5,645.26/8,465.70 = 1,946.80/x
  3. Step 3: Cross multiply
    5,645.26x = 8,465.70 × 1,946.80
  4. Step 4: Simplify right side
    5,645.26x = 16,481,024.76
  5. Step 5: Solve for x
    x = 16,481,024.76/5,645.26
  6. Step 6: Final answer
    x = 2,919.44

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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.