Home / 6,636.48-9,948.78-2,738.40

Finding the Fourth Proportional to 6,636.48, 9,948.78 and 2,738.40

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Solution

The fourth proportional to 6,636.48, 9,948.78 and 2,738.40 is: 4,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.48 : 9,948.78 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    6,636.48/9,948.78 = 2,738.40/x
  3. Step 3: Cross multiply
    6,636.48x = 9,948.78 × 2,738.40
  4. Step 4: Simplify right side
    6,636.48x = 27,243,739.15
  5. Step 5: Solve for x
    x = 27,243,739.15/6,636.48
  6. Step 6: Final answer
    x = 4,105.15

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1.5x scale

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.