Home / 5,146.79-7,720.02-2,024.55

Finding the Fourth Proportional to 5,146.79, 7,720.02 and 2,024.55

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Solution

The fourth proportional to 5,146.79, 7,720.02 and 2,024.55 is: 3,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.79 : 7,720.02 = 2,024.55 : x
  2. Step 2: Convert to fraction form
    5,146.79/7,720.02 = 2,024.55/x
  3. Step 3: Cross multiply
    5,146.79x = 7,720.02 × 2,024.55
  4. Step 4: Simplify right side
    5,146.79x = 15,629,566.49
  5. Step 5: Solve for x
    x = 15,629,566.49/5,146.79
  6. Step 6: Final answer
    x = 3,036.76

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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.