Home / 4,923.78-7,386.42-1,636.14

Finding the Fourth Proportional to 4,923.78, 7,386.42 and 1,636.14

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Solution

The fourth proportional to 4,923.78, 7,386.42 and 1,636.14 is: 2,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.78 : 7,386.42 = 1,636.14 : x
  2. Step 2: Convert to fraction form
    4,923.78/7,386.42 = 1,636.14/x
  3. Step 3: Cross multiply
    4,923.78x = 7,386.42 × 1,636.14
  4. Step 4: Simplify right side
    4,923.78x = 12,085,217.22
  5. Step 5: Solve for x
    x = 12,085,217.22/4,923.78
  6. Step 6: Final answer
    x = 2,454.46

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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.