Home / 4,543.08-6,812.55-1,872.81

Finding the Fourth Proportional to 4,543.08, 6,812.55 and 1,872.81

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Solution

The fourth proportional to 4,543.08, 6,812.55 and 1,872.81 is: 2,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.08 : 6,812.55 = 1,872.81 : x
  2. Step 2: Convert to fraction form
    4,543.08/6,812.55 = 1,872.81/x
  3. Step 3: Cross multiply
    4,543.08x = 6,812.55 × 1,872.81
  4. Step 4: Simplify right side
    4,543.08x = 12,758,611.77
  5. Step 5: Solve for x
    x = 12,758,611.77/4,543.08
  6. Step 6: Final answer
    x = 2,808.36

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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.