Home / 7,802.90-11,702.00-4,103.09

Finding the Fourth Proportional to 7,802.90, 11,702.00 and 4,103.09

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Solution

The fourth proportional to 7,802.90, 11,702.00 and 4,103.09 is: 6,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.90 : 11,702.00 = 4,103.09 : x
  2. Step 2: Convert to fraction form
    7,802.90/11,702.00 = 4,103.09/x
  3. Step 3: Cross multiply
    7,802.90x = 11,702.00 × 4,103.09
  4. Step 4: Simplify right side
    7,802.90x = 48,014,280.15
  5. Step 5: Solve for x
    x = 48,014,280.15/7,802.90
  6. Step 6: Final answer
    x = 6,153.39

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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.