Home / 7,820.44-10,792.24-4,283.68

Finding the Fourth Proportional to 7,820.44, 10,792.24 and 4,283.68

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Solution

The fourth proportional to 7,820.44, 10,792.24 and 4,283.68 is: 5,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.44 : 10,792.24 = 4,283.68 : x
  2. Step 2: Convert to fraction form
    7,820.44/10,792.24 = 4,283.68/x
  3. Step 3: Cross multiply
    7,820.44x = 10,792.24 × 4,283.68
  4. Step 4: Simplify right side
    7,820.44x = 46,230,502.64
  5. Step 5: Solve for x
    x = 46,230,502.64/7,820.44
  6. Step 6: Final answer
    x = 5,911.50

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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.