Home / 4,140.61-6,213.62-1,543.54

Finding the Fourth Proportional to 4,140.61, 6,213.62 and 1,543.54

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Solution

The fourth proportional to 4,140.61, 6,213.62 and 1,543.54 is: 2,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.61 : 6,213.62 = 1,543.54 : x
  2. Step 2: Convert to fraction form
    4,140.61/6,213.62 = 1,543.54/x
  3. Step 3: Cross multiply
    4,140.61x = 6,213.62 × 1,543.54
  4. Step 4: Simplify right side
    4,140.61x = 9,590,971.01
  5. Step 5: Solve for x
    x = 9,590,971.01/4,140.61
  6. Step 6: Final answer
    x = 2,316.32

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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.