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Finding the Fourth Proportional to 8,274.26, 12,411.40 and 2,802.26

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Solution

The fourth proportional to 8,274.26, 12,411.40 and 2,802.26 is: 4,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.26 : 12,411.40 = 2,802.26 : x
  2. Step 2: Convert to fraction form
    8,274.26/12,411.40 = 2,802.26/x
  3. Step 3: Cross multiply
    8,274.26x = 12,411.40 × 2,802.26
  4. Step 4: Simplify right side
    8,274.26x = 34,779,969.76
  5. Step 5: Solve for x
    x = 34,779,969.76/8,274.26
  6. Step 6: Final answer
    x = 4,203.39

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Similar ratio
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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.