Home / 6,518.79-9,783.63-2,823.84

Finding the Fourth Proportional to 6,518.79, 9,783.63 and 2,823.84

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Solution

The fourth proportional to 6,518.79, 9,783.63 and 2,823.84 is: 4,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.79 : 9,783.63 = 2,823.84 : x
  2. Step 2: Convert to fraction form
    6,518.79/9,783.63 = 2,823.84/x
  3. Step 3: Cross multiply
    6,518.79x = 9,783.63 × 2,823.84
  4. Step 4: Simplify right side
    6,518.79x = 27,627,405.74
  5. Step 5: Solve for x
    x = 27,627,405.74/6,518.79
  6. Step 6: Final answer
    x = 4,238.12

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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.