Home / 4,285.04-6,391.54-3,891.32

Finding the Fourth Proportional to 4,285.04, 6,391.54 and 3,891.32

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Solution

The fourth proportional to 4,285.04, 6,391.54 and 3,891.32 is: 5,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.04 : 6,391.54 = 3,891.32 : x
  2. Step 2: Convert to fraction form
    4,285.04/6,391.54 = 3,891.32/x
  3. Step 3: Cross multiply
    4,285.04x = 6,391.54 × 3,891.32
  4. Step 4: Simplify right side
    4,285.04x = 24,871,527.43
  5. Step 5: Solve for x
    x = 24,871,527.43/4,285.04
  6. Step 6: Final answer
    x = 5,804.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.