Home / 4,543.35-6,815.00-1,211.59

Finding the Fourth Proportional to 4,543.35, 6,815.00 and 1,211.59

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Solution

The fourth proportional to 4,543.35, 6,815.00 and 1,211.59 is: 1,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.35 : 6,815.00 = 1,211.59 : x
  2. Step 2: Convert to fraction form
    4,543.35/6,815.00 = 1,211.59/x
  3. Step 3: Cross multiply
    4,543.35x = 6,815.00 × 1,211.59
  4. Step 4: Simplify right side
    4,543.35x = 8,256,997.40
  5. Step 5: Solve for x
    x = 8,256,997.40/4,543.35
  6. Step 6: Final answer
    x = 1,817.38

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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.