Home / 4,651.38-6,418.90-2,555.50

Finding the Fourth Proportional to 4,651.38, 6,418.90 and 2,555.50

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Solution

The fourth proportional to 4,651.38, 6,418.90 and 2,555.50 is: 3,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.38 : 6,418.90 = 2,555.50 : x
  2. Step 2: Convert to fraction form
    4,651.38/6,418.90 = 2,555.50/x
  3. Step 3: Cross multiply
    4,651.38x = 6,418.90 × 2,555.50
  4. Step 4: Simplify right side
    4,651.38x = 16,403,498.95
  5. Step 5: Solve for x
    x = 16,403,498.95/4,651.38
  6. Step 6: Final answer
    x = 3,526.59

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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.