Home / 8,418.49-12,629.91-6,049.34

Finding the Fourth Proportional to 8,418.49, 12,629.91 and 6,049.34

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Solution

The fourth proportional to 8,418.49, 12,629.91 and 6,049.34 is: 9,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.49 : 12,629.91 = 6,049.34 : x
  2. Step 2: Convert to fraction form
    8,418.49/12,629.91 = 6,049.34/x
  3. Step 3: Cross multiply
    8,418.49x = 12,629.91 × 6,049.34
  4. Step 4: Simplify right side
    8,418.49x = 76,402,619.76
  5. Step 5: Solve for x
    x = 76,402,619.76/8,418.49
  6. Step 6: Final answer
    x = 9,075.57

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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.