Home / 4,680.92-7,017.86-2,831.65

Finding the Fourth Proportional to 4,680.92, 7,017.86 and 2,831.65

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Solution

The fourth proportional to 4,680.92, 7,017.86 and 2,831.65 is: 4,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.92 : 7,017.86 = 2,831.65 : x
  2. Step 2: Convert to fraction form
    4,680.92/7,017.86 = 2,831.65/x
  3. Step 3: Cross multiply
    4,680.92x = 7,017.86 × 2,831.65
  4. Step 4: Simplify right side
    4,680.92x = 19,872,074.02
  5. Step 5: Solve for x
    x = 19,872,074.02/4,680.92
  6. Step 6: Final answer
    x = 4,245.34

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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.