Home / 7,821.32-10,792.86-4,283.96

Finding the Fourth Proportional to 7,821.32, 10,792.86 and 4,283.96

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Solution

The fourth proportional to 7,821.32, 10,792.86 and 4,283.96 is: 5,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.32 : 10,792.86 = 4,283.96 : x
  2. Step 2: Convert to fraction form
    7,821.32/10,792.86 = 4,283.96/x
  3. Step 3: Cross multiply
    7,821.32x = 10,792.86 × 4,283.96
  4. Step 4: Simplify right side
    7,821.32x = 46,236,180.53
  5. Step 5: Solve for x
    x = 46,236,180.53/7,821.32
  6. Step 6: Final answer
    x = 5,911.56

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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.