Home / 4,242.79-6,360.87-2,020.48

Finding the Fourth Proportional to 4,242.79, 6,360.87 and 2,020.48

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Solution

The fourth proportional to 4,242.79, 6,360.87 and 2,020.48 is: 3,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.79 : 6,360.87 = 2,020.48 : x
  2. Step 2: Convert to fraction form
    4,242.79/6,360.87 = 2,020.48/x
  3. Step 3: Cross multiply
    4,242.79x = 6,360.87 × 2,020.48
  4. Step 4: Simplify right side
    4,242.79x = 12,851,978.81
  5. Step 5: Solve for x
    x = 12,851,978.81/4,242.79
  6. Step 6: Final answer
    x = 3,029.14

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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.