Home / 4,615.30-6,921.24-2,423.80

Finding the Fourth Proportional to 4,615.30, 6,921.24 and 2,423.80

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Solution

The fourth proportional to 4,615.30, 6,921.24 and 2,423.80 is: 3,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.30 : 6,921.24 = 2,423.80 : x
  2. Step 2: Convert to fraction form
    4,615.30/6,921.24 = 2,423.80/x
  3. Step 3: Cross multiply
    4,615.30x = 6,921.24 × 2,423.80
  4. Step 4: Simplify right side
    4,615.30x = 16,775,701.51
  5. Step 5: Solve for x
    x = 16,775,701.51/4,615.30
  6. Step 6: Final answer
    x = 3,634.80

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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.