Home / 4,948.10-6,828.39-2,679.47

Finding the Fourth Proportional to 4,948.10, 6,828.39 and 2,679.47

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Solution

The fourth proportional to 4,948.10, 6,828.39 and 2,679.47 is: 3,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.10 : 6,828.39 = 2,679.47 : x
  2. Step 2: Convert to fraction form
    4,948.10/6,828.39 = 2,679.47/x
  3. Step 3: Cross multiply
    4,948.10x = 6,828.39 × 2,679.47
  4. Step 4: Simplify right side
    4,948.10x = 18,296,429.84
  5. Step 5: Solve for x
    x = 18,296,429.84/4,948.10
  6. Step 6: Final answer
    x = 3,697.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.