Home / 4,938.87-6,818.12-3,817.28

Finding the Fourth Proportional to 4,938.87, 6,818.12 and 3,817.28

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Solution

The fourth proportional to 4,938.87, 6,818.12 and 3,817.28 is: 5,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.87 : 6,818.12 = 3,817.28 : x
  2. Step 2: Convert to fraction form
    4,938.87/6,818.12 = 3,817.28/x
  3. Step 3: Cross multiply
    4,938.87x = 6,818.12 × 3,817.28
  4. Step 4: Simplify right side
    4,938.87x = 26,026,668.51
  5. Step 5: Solve for x
    x = 26,026,668.51/4,938.87
  6. Step 6: Final answer
    x = 5,269.76

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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.