Home / 4,328.80-6,489.30-1,554.82

Finding the Fourth Proportional to 4,328.80, 6,489.30 and 1,554.82

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Solution

The fourth proportional to 4,328.80, 6,489.30 and 1,554.82 is: 2,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.80 : 6,489.30 = 1,554.82 : x
  2. Step 2: Convert to fraction form
    4,328.80/6,489.30 = 1,554.82/x
  3. Step 3: Cross multiply
    4,328.80x = 6,489.30 × 1,554.82
  4. Step 4: Simplify right side
    4,328.80x = 10,089,683.03
  5. Step 5: Solve for x
    x = 10,089,683.03/4,328.80
  6. Step 6: Final answer
    x = 2,330.83

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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.