Home / 6,159.36-8,500.80-3,643.68

Finding the Fourth Proportional to 6,159.36, 8,500.80 and 3,643.68

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Solution

The fourth proportional to 6,159.36, 8,500.80 and 3,643.68 is: 5,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.36 : 8,500.80 = 3,643.68 : x
  2. Step 2: Convert to fraction form
    6,159.36/8,500.80 = 3,643.68/x
  3. Step 3: Cross multiply
    6,159.36x = 8,500.80 × 3,643.68
  4. Step 4: Simplify right side
    6,159.36x = 30,974,194.94
  5. Step 5: Solve for x
    x = 30,974,194.94/6,159.36
  6. Step 6: Final answer
    x = 5,028.80

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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.