Home / 4,285.10-6,391.50-3,907.82

Finding the Fourth Proportional to 4,285.10, 6,391.50 and 3,907.82

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Solution

The fourth proportional to 4,285.10, 6,391.50 and 3,907.82 is: 5,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.10 : 6,391.50 = 3,907.82 : x
  2. Step 2: Convert to fraction form
    4,285.10/6,391.50 = 3,907.82/x
  3. Step 3: Cross multiply
    4,285.10x = 6,391.50 × 3,907.82
  4. Step 4: Simplify right side
    4,285.10x = 24,976,831.53
  5. Step 5: Solve for x
    x = 24,976,831.53/4,285.10
  6. Step 6: Final answer
    x = 5,828.76

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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.