Home / 4,615.40-6,923.30-1,328.42

Finding the Fourth Proportional to 4,615.40, 6,923.30 and 1,328.42

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Solution

The fourth proportional to 4,615.40, 6,923.30 and 1,328.42 is: 1,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.40 : 6,923.30 = 1,328.42 : x
  2. Step 2: Convert to fraction form
    4,615.40/6,923.30 = 1,328.42/x
  3. Step 3: Cross multiply
    4,615.40x = 6,923.30 × 1,328.42
  4. Step 4: Simplify right side
    4,615.40x = 9,197,008.93
  5. Step 5: Solve for x
    x = 9,197,008.93/4,615.40
  6. Step 6: Final answer
    x = 1,992.68

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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.