Home / 4,983.81-7,478.61-2,210.79

Finding the Fourth Proportional to 4,983.81, 7,478.61 and 2,210.79

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Solution

The fourth proportional to 4,983.81, 7,478.61 and 2,210.79 is: 3,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.81 : 7,478.61 = 2,210.79 : x
  2. Step 2: Convert to fraction form
    4,983.81/7,478.61 = 2,210.79/x
  3. Step 3: Cross multiply
    4,983.81x = 7,478.61 × 2,210.79
  4. Step 4: Simplify right side
    4,983.81x = 16,533,636.20
  5. Step 5: Solve for x
    x = 16,533,636.20/4,983.81
  6. Step 6: Final answer
    x = 3,317.47

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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.