Home / 4,999.21-6,898.87-2,761.07

Finding the Fourth Proportional to 4,999.21, 6,898.87 and 2,761.07

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Solution

The fourth proportional to 4,999.21, 6,898.87 and 2,761.07 is: 3,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.21 : 6,898.87 = 2,761.07 : x
  2. Step 2: Convert to fraction form
    4,999.21/6,898.87 = 2,761.07/x
  3. Step 3: Cross multiply
    4,999.21x = 6,898.87 × 2,761.07
  4. Step 4: Simplify right side
    4,999.21x = 19,048,262.99
  5. Step 5: Solve for x
    x = 19,048,262.99/4,999.21
  6. Step 6: Final answer
    x = 3,810.25

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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.