Home / 4,389.96-6,609.81-3,873.36

Finding the Fourth Proportional to 4,389.96, 6,609.81 and 3,873.36

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Solution

The fourth proportional to 4,389.96, 6,609.81 and 3,873.36 is: 5,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.96 : 6,609.81 = 3,873.36 : x
  2. Step 2: Convert to fraction form
    4,389.96/6,609.81 = 3,873.36/x
  3. Step 3: Cross multiply
    4,389.96x = 6,609.81 × 3,873.36
  4. Step 4: Simplify right side
    4,389.96x = 25,602,173.66
  5. Step 5: Solve for x
    x = 25,602,173.66/4,389.96
  6. Step 6: Final answer
    x = 5,831.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.