Home / 5,180.48-7,772.40-3,100.16

Finding the Fourth Proportional to 5,180.48, 7,772.40 and 3,100.16

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Solution

The fourth proportional to 5,180.48, 7,772.40 and 3,100.16 is: 4,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.48 : 7,772.40 = 3,100.16 : x
  2. Step 2: Convert to fraction form
    5,180.48/7,772.40 = 3,100.16/x
  3. Step 3: Cross multiply
    5,180.48x = 7,772.40 × 3,100.16
  4. Step 4: Simplify right side
    5,180.48x = 24,095,683.58
  5. Step 5: Solve for x
    x = 24,095,683.58/5,180.48
  6. Step 6: Final answer
    x = 4,651.25

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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.