Home / 5,406.48-8,106.44-2,630.35

Finding the Fourth Proportional to 5,406.48, 8,106.44 and 2,630.35

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Solution

The fourth proportional to 5,406.48, 8,106.44 and 2,630.35 is: 3,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.48 : 8,106.44 = 2,630.35 : x
  2. Step 2: Convert to fraction form
    5,406.48/8,106.44 = 2,630.35/x
  3. Step 3: Cross multiply
    5,406.48x = 8,106.44 × 2,630.35
  4. Step 4: Simplify right side
    5,406.48x = 21,322,774.45
  5. Step 5: Solve for x
    x = 21,322,774.45/5,406.48
  6. Step 6: Final answer
    x = 3,943.93

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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.