Home / 4,984.02-7,470.44-2,021.78

Finding the Fourth Proportional to 4,984.02, 7,470.44 and 2,021.78

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Solution

The fourth proportional to 4,984.02, 7,470.44 and 2,021.78 is: 3,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.02 : 7,470.44 = 2,021.78 : x
  2. Step 2: Convert to fraction form
    4,984.02/7,470.44 = 2,021.78/x
  3. Step 3: Cross multiply
    4,984.02x = 7,470.44 × 2,021.78
  4. Step 4: Simplify right side
    4,984.02x = 15,103,553.89
  5. Step 5: Solve for x
    x = 15,103,553.89/4,984.02
  6. Step 6: Final answer
    x = 3,030.40

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1.5x scale

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.