Home / 5,907.81-8,152.78-3,219.01

Finding the Fourth Proportional to 5,907.81, 8,152.78 and 3,219.01

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Solution

The fourth proportional to 5,907.81, 8,152.78 and 3,219.01 is: 4,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.81 : 8,152.78 = 3,219.01 : x
  2. Step 2: Convert to fraction form
    5,907.81/8,152.78 = 3,219.01/x
  3. Step 3: Cross multiply
    5,907.81x = 8,152.78 × 3,219.01
  4. Step 4: Simplify right side
    5,907.81x = 26,243,880.35
  5. Step 5: Solve for x
    x = 26,243,880.35/5,907.81
  6. Step 6: Final answer
    x = 4,442.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.