Home / 5,445.56-7,515.71-3,056.49

Finding the Fourth Proportional to 5,445.56, 7,515.71 and 3,056.49

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Solution

The fourth proportional to 5,445.56, 7,515.71 and 3,056.49 is: 4,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.56 : 7,515.71 = 3,056.49 : x
  2. Step 2: Convert to fraction form
    5,445.56/7,515.71 = 3,056.49/x
  3. Step 3: Cross multiply
    5,445.56x = 7,515.71 × 3,056.49
  4. Step 4: Simplify right side
    5,445.56x = 22,971,677.18
  5. Step 5: Solve for x
    x = 22,971,677.18/5,445.56
  6. Step 6: Final answer
    x = 4,218.43

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1.5x scale

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.