Home / 4,652.48-6,401.40-4,021

Finding the Fourth Proportional to 4,652.48, 6,401.40 and 4,021

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Solution

The fourth proportional to 4,652.48, 6,401.40 and 4,021 is: 5,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.48 : 6,401.40 = 4,021 : x
  2. Step 2: Convert to fraction form
    4,652.48/6,401.40 = 4,021/x
  3. Step 3: Cross multiply
    4,652.48x = 6,401.40 × 4,021
  4. Step 4: Simplify right side
    4,652.48x = 25,740,029.40
  5. Step 5: Solve for x
    x = 25,740,029.40/4,652.48
  6. Step 6: Final answer
    x = 5,532.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.