Home / 6,831.20-9,430.61-4,604.78

Finding the Fourth Proportional to 6,831.20, 9,430.61 and 4,604.78

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Solution

The fourth proportional to 6,831.20, 9,430.61 and 4,604.78 is: 6,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.20 : 9,430.61 = 4,604.78 : x
  2. Step 2: Convert to fraction form
    6,831.20/9,430.61 = 4,604.78/x
  3. Step 3: Cross multiply
    6,831.20x = 9,430.61 × 4,604.78
  4. Step 4: Simplify right side
    6,831.20x = 43,425,814.14
  5. Step 5: Solve for x
    x = 43,425,814.14/6,831.20
  6. Step 6: Final answer
    x = 6,356.99

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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.