Home / 6,831.36-10,247.04-3,542.40

Finding the Fourth Proportional to 6,831.36, 10,247.04 and 3,542.40

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Solution

The fourth proportional to 6,831.36, 10,247.04 and 3,542.40 is: 5,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.36 : 10,247.04 = 3,542.40 : x
  2. Step 2: Convert to fraction form
    6,831.36/10,247.04 = 3,542.40/x
  3. Step 3: Cross multiply
    6,831.36x = 10,247.04 × 3,542.40
  4. Step 4: Simplify right side
    6,831.36x = 36,299,114.50
  5. Step 5: Solve for x
    x = 36,299,114.50/6,831.36
  6. Step 6: Final answer
    x = 5,313.60

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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.