Home / 5,328.14-7,991.93-1,630.37

Finding the Fourth Proportional to 5,328.14, 7,991.93 and 1,630.37

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Solution

The fourth proportional to 5,328.14, 7,991.93 and 1,630.37 is: 2,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.14 : 7,991.93 = 1,630.37 : x
  2. Step 2: Convert to fraction form
    5,328.14/7,991.93 = 1,630.37/x
  3. Step 3: Cross multiply
    5,328.14x = 7,991.93 × 1,630.37
  4. Step 4: Simplify right side
    5,328.14x = 13,029,814.74
  5. Step 5: Solve for x
    x = 13,029,814.74/5,328.14
  6. Step 6: Final answer
    x = 2,445.47

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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.