Home / 6,159.90-8,499.66-3,802.80

Finding the Fourth Proportional to 6,159.90, 8,499.66 and 3,802.80

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Solution

The fourth proportional to 6,159.90, 8,499.66 and 3,802.80 is: 5,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.90 : 8,499.66 = 3,802.80 : x
  2. Step 2: Convert to fraction form
    6,159.90/8,499.66 = 3,802.80/x
  3. Step 3: Cross multiply
    6,159.90x = 8,499.66 × 3,802.80
  4. Step 4: Simplify right side
    6,159.90x = 32,322,507.05
  5. Step 5: Solve for x
    x = 32,322,507.05/6,159.90
  6. Step 6: Final answer
    x = 5,247.25

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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.