Home / 7,820.39-10,792.23-4,283.75

Finding the Fourth Proportional to 7,820.39, 10,792.23 and 4,283.75

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Solution

The fourth proportional to 7,820.39, 10,792.23 and 4,283.75 is: 5,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.39 : 10,792.23 = 4,283.75 : x
  2. Step 2: Convert to fraction form
    7,820.39/10,792.23 = 4,283.75/x
  3. Step 3: Cross multiply
    7,820.39x = 10,792.23 × 4,283.75
  4. Step 4: Simplify right side
    7,820.39x = 46,231,215.26
  5. Step 5: Solve for x
    x = 46,231,215.26/7,820.39
  6. Step 6: Final answer
    x = 5,911.63

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Double scale
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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.