Home / 5,831.79-8,041.50-3,940.08

Finding the Fourth Proportional to 5,831.79, 8,041.50 and 3,940.08

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Solution

The fourth proportional to 5,831.79, 8,041.50 and 3,940.08 is: 5,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.79 : 8,041.50 = 3,940.08 : x
  2. Step 2: Convert to fraction form
    5,831.79/8,041.50 = 3,940.08/x
  3. Step 3: Cross multiply
    5,831.79x = 8,041.50 × 3,940.08
  4. Step 4: Simplify right side
    5,831.79x = 31,684,153.32
  5. Step 5: Solve for x
    x = 31,684,153.32/5,831.79
  6. Step 6: Final answer
    x = 5,433.01

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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.