Home / 4,539.78-6,806.57-1,418.72

Finding the Fourth Proportional to 4,539.78, 6,806.57 and 1,418.72

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Solution

The fourth proportional to 4,539.78, 6,806.57 and 1,418.72 is: 2,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.78 : 6,806.57 = 1,418.72 : x
  2. Step 2: Convert to fraction form
    4,539.78/6,806.57 = 1,418.72/x
  3. Step 3: Cross multiply
    4,539.78x = 6,806.57 × 1,418.72
  4. Step 4: Simplify right side
    4,539.78x = 9,656,575.86
  5. Step 5: Solve for x
    x = 9,656,575.86/4,539.78
  6. Step 6: Final answer
    x = 2,127.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.