Home / 4,650.48-6,980.58-2,187.72

Finding the Fourth Proportional to 4,650.48, 6,980.58 and 2,187.72

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Solution

The fourth proportional to 4,650.48, 6,980.58 and 2,187.72 is: 3,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.48 : 6,980.58 = 2,187.72 : x
  2. Step 2: Convert to fraction form
    4,650.48/6,980.58 = 2,187.72/x
  3. Step 3: Cross multiply
    4,650.48x = 6,980.58 × 2,187.72
  4. Step 4: Simplify right side
    4,650.48x = 15,271,554.48
  5. Step 5: Solve for x
    x = 15,271,554.48/4,650.48
  6. Step 6: Final answer
    x = 3,283.87

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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.