Home / 5,445.81-7,515.83-3,056.43

Finding the Fourth Proportional to 5,445.81, 7,515.83 and 3,056.43

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Solution

The fourth proportional to 5,445.81, 7,515.83 and 3,056.43 is: 4,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.81 : 7,515.83 = 3,056.43 : x
  2. Step 2: Convert to fraction form
    5,445.81/7,515.83 = 3,056.43/x
  3. Step 3: Cross multiply
    5,445.81x = 7,515.83 × 3,056.43
  4. Step 4: Simplify right side
    5,445.81x = 22,971,608.29
  5. Step 5: Solve for x
    x = 22,971,608.29/5,445.81
  6. Step 6: Final answer
    x = 4,218.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.