Home / 5,559.63-7,672.28-3,201.72

Finding the Fourth Proportional to 5,559.63, 7,672.28 and 3,201.72

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Solution

The fourth proportional to 5,559.63, 7,672.28 and 3,201.72 is: 4,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.63 : 7,672.28 = 3,201.72 : x
  2. Step 2: Convert to fraction form
    5,559.63/7,672.28 = 3,201.72/x
  3. Step 3: Cross multiply
    5,559.63x = 7,672.28 × 3,201.72
  4. Step 4: Simplify right side
    5,559.63x = 24,564,492.32
  5. Step 5: Solve for x
    x = 24,564,492.32/5,559.63
  6. Step 6: Final answer
    x = 4,418.37

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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.