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Finding the Fourth Proportional to 6,003.40, 8,289.08 and 3,880.19

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Solution

The fourth proportional to 6,003.40, 8,289.08 and 3,880.19 is: 5,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.40 : 8,289.08 = 3,880.19 : x
  2. Step 2: Convert to fraction form
    6,003.40/8,289.08 = 3,880.19/x
  3. Step 3: Cross multiply
    6,003.40x = 8,289.08 × 3,880.19
  4. Step 4: Simplify right side
    6,003.40x = 32,163,159.03
  5. Step 5: Solve for x
    x = 32,163,159.03/6,003.40
  6. Step 6: Final answer
    x = 5,357.49

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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.