Home / 4,661.28-6,430.32-2,894.94

Finding the Fourth Proportional to 4,661.28, 6,430.32 and 2,894.94

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Solution

The fourth proportional to 4,661.28, 6,430.32 and 2,894.94 is: 3,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.28 : 6,430.32 = 2,894.94 : x
  2. Step 2: Convert to fraction form
    4,661.28/6,430.32 = 2,894.94/x
  3. Step 3: Cross multiply
    4,661.28x = 6,430.32 × 2,894.94
  4. Step 4: Simplify right side
    4,661.28x = 18,615,390.58
  5. Step 5: Solve for x
    x = 18,615,390.58/4,661.28
  6. Step 6: Final answer
    x = 3,993.62

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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.