Home / 8,531.04-12,787.62-6,185.28

Finding the Fourth Proportional to 8,531.04, 12,787.62 and 6,185.28

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Solution

The fourth proportional to 8,531.04, 12,787.62 and 6,185.28 is: 9,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.04 : 12,787.62 = 6,185.28 : x
  2. Step 2: Convert to fraction form
    8,531.04/12,787.62 = 6,185.28/x
  3. Step 3: Cross multiply
    8,531.04x = 12,787.62 × 6,185.28
  4. Step 4: Simplify right side
    8,531.04x = 79,095,010.23
  5. Step 5: Solve for x
    x = 79,095,010.23/8,531.04
  6. Step 6: Final answer
    x = 9,271.44

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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.