Home / 5,478.89-7,558.23-3,589.63

Finding the Fourth Proportional to 5,478.89, 7,558.23 and 3,589.63

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Solution

The fourth proportional to 5,478.89, 7,558.23 and 3,589.63 is: 4,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.89 : 7,558.23 = 3,589.63 : x
  2. Step 2: Convert to fraction form
    5,478.89/7,558.23 = 3,589.63/x
  3. Step 3: Cross multiply
    5,478.89x = 7,558.23 × 3,589.63
  4. Step 4: Simplify right side
    5,478.89x = 27,131,266.04
  5. Step 5: Solve for x
    x = 27,131,266.04/5,478.89
  6. Step 6: Final answer
    x = 4,951.96

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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.