Home / 4,543.43-6,815.55-1,945.76

Finding the Fourth Proportional to 4,543.43, 6,815.55 and 1,945.76

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Solution

The fourth proportional to 4,543.43, 6,815.55 and 1,945.76 is: 2,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.43 : 6,815.55 = 1,945.76 : x
  2. Step 2: Convert to fraction form
    4,543.43/6,815.55 = 1,945.76/x
  3. Step 3: Cross multiply
    4,543.43x = 6,815.55 × 1,945.76
  4. Step 4: Simplify right side
    4,543.43x = 13,261,424.57
  5. Step 5: Solve for x
    x = 13,261,424.57/4,543.43
  6. Step 6: Final answer
    x = 2,918.81

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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.