Home / 4,638.34-6,400.74-2,542.42

Finding the Fourth Proportional to 4,638.34, 6,400.74 and 2,542.42

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Solution

The fourth proportional to 4,638.34, 6,400.74 and 2,542.42 is: 3,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.34 : 6,400.74 = 2,542.42 : x
  2. Step 2: Convert to fraction form
    4,638.34/6,400.74 = 2,542.42/x
  3. Step 3: Cross multiply
    4,638.34x = 6,400.74 × 2,542.42
  4. Step 4: Simplify right side
    4,638.34x = 16,273,369.39
  5. Step 5: Solve for x
    x = 16,273,369.39/4,638.34
  6. Step 6: Final answer
    x = 3,508.45

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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.