Home / 4,979.56-7,470.16-1,516

Finding the Fourth Proportional to 4,979.56, 7,470.16 and 1,516

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Solution

The fourth proportional to 4,979.56, 7,470.16 and 1,516 is: 2,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.56 : 7,470.16 = 1,516 : x
  2. Step 2: Convert to fraction form
    4,979.56/7,470.16 = 1,516/x
  3. Step 3: Cross multiply
    4,979.56x = 7,470.16 × 1,516
  4. Step 4: Simplify right side
    4,979.56x = 11,324,762.56
  5. Step 5: Solve for x
    x = 11,324,762.56/4,979.56
  6. Step 6: Final answer
    x = 2,274.25

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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.