Home / 4,543.75-6,815.63-1,212.01

Finding the Fourth Proportional to 4,543.75, 6,815.63 and 1,212.01

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Solution

The fourth proportional to 4,543.75, 6,815.63 and 1,212.01 is: 1,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.75 : 6,815.63 = 1,212.01 : x
  2. Step 2: Convert to fraction form
    4,543.75/6,815.63 = 1,212.01/x
  3. Step 3: Cross multiply
    4,543.75x = 6,815.63 × 1,212.01
  4. Step 4: Simplify right side
    4,543.75x = 8,260,611.72
  5. Step 5: Solve for x
    x = 8,260,611.72/4,543.75
  6. Step 6: Final answer
    x = 1,818.02

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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.