Home / 7,017.21-9,683.73-3,873.38

Finding the Fourth Proportional to 7,017.21, 9,683.73 and 3,873.38

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Solution

The fourth proportional to 7,017.21, 9,683.73 and 3,873.38 is: 5,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.21 : 9,683.73 = 3,873.38 : x
  2. Step 2: Convert to fraction form
    7,017.21/9,683.73 = 3,873.38/x
  3. Step 3: Cross multiply
    7,017.21x = 9,683.73 × 3,873.38
  4. Step 4: Simplify right side
    7,017.21x = 37,508,717.69
  5. Step 5: Solve for x
    x = 37,508,717.69/7,017.21
  6. Step 6: Final answer
    x = 5,345.25

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Half scale
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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.