Home / 4,615.31-6,921.93-1,327.67

Finding the Fourth Proportional to 4,615.31, 6,921.93 and 1,327.67

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Solution

The fourth proportional to 4,615.31, 6,921.93 and 1,327.67 is: 1,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.31 : 6,921.93 = 1,327.67 : x
  2. Step 2: Convert to fraction form
    4,615.31/6,921.93 = 1,327.67/x
  3. Step 3: Cross multiply
    4,615.31x = 6,921.93 × 1,327.67
  4. Step 4: Simplify right side
    4,615.31x = 9,190,038.80
  5. Step 5: Solve for x
    x = 9,190,038.80/4,615.31
  6. Step 6: Final answer
    x = 1,991.21

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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.