Home / 6,418.98-9,636.75-3,499.29

Finding the Fourth Proportional to 6,418.98, 9,636.75 and 3,499.29

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Solution

The fourth proportional to 6,418.98, 9,636.75 and 3,499.29 is: 5,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.98 : 9,636.75 = 3,499.29 : x
  2. Step 2: Convert to fraction form
    6,418.98/9,636.75 = 3,499.29/x
  3. Step 3: Cross multiply
    6,418.98x = 9,636.75 × 3,499.29
  4. Step 4: Simplify right side
    6,418.98x = 33,721,782.91
  5. Step 5: Solve for x
    x = 33,721,782.91/6,418.98
  6. Step 6: Final answer
    x = 5,253.45

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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.