Home / 8,946.78-13,420.29-2,706.84

Finding the Fourth Proportional to 8,946.78, 13,420.29 and 2,706.84

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Solution

The fourth proportional to 8,946.78, 13,420.29 and 2,706.84 is: 4,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.78 : 13,420.29 = 2,706.84 : x
  2. Step 2: Convert to fraction form
    8,946.78/13,420.29 = 2,706.84/x
  3. Step 3: Cross multiply
    8,946.78x = 13,420.29 × 2,706.84
  4. Step 4: Simplify right side
    8,946.78x = 36,326,577.78
  5. Step 5: Solve for x
    x = 36,326,577.78/8,946.78
  6. Step 6: Final answer
    x = 4,060.30

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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.