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Finding the Fourth Proportional to 6,316.63, 9,476.09 and 2,619.16

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Solution

The fourth proportional to 6,316.63, 9,476.09 and 2,619.16 is: 3,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.63 : 9,476.09 = 2,619.16 : x
  2. Step 2: Convert to fraction form
    6,316.63/9,476.09 = 2,619.16/x
  3. Step 3: Cross multiply
    6,316.63x = 9,476.09 × 2,619.16
  4. Step 4: Simplify right side
    6,316.63x = 24,819,395.57
  5. Step 5: Solve for x
    x = 24,819,395.57/6,316.63
  6. Step 6: Final answer
    x = 3,929.21

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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.