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Finding the Fourth Proportional to 6,405.66, 8,839.50 and 3,573.33

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Solution

The fourth proportional to 6,405.66, 8,839.50 and 3,573.33 is: 4,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.66 : 8,839.50 = 3,573.33 : x
  2. Step 2: Convert to fraction form
    6,405.66/8,839.50 = 3,573.33/x
  3. Step 3: Cross multiply
    6,405.66x = 8,839.50 × 3,573.33
  4. Step 4: Simplify right side
    6,405.66x = 31,586,450.54
  5. Step 5: Solve for x
    x = 31,586,450.54/6,405.66
  6. Step 6: Final answer
    x = 4,931.02

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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.