Home / 7,820.48-10,792.27-4,283.82

Finding the Fourth Proportional to 7,820.48, 10,792.27 and 4,283.82

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Solution

The fourth proportional to 7,820.48, 10,792.27 and 4,283.82 is: 5,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.48 : 10,792.27 = 4,283.82 : x
  2. Step 2: Convert to fraction form
    7,820.48/10,792.27 = 4,283.82/x
  3. Step 3: Cross multiply
    7,820.48x = 10,792.27 × 4,283.82
  4. Step 4: Simplify right side
    7,820.48x = 46,232,167.66
  5. Step 5: Solve for x
    x = 46,232,167.66/7,820.48
  6. Step 6: Final answer
    x = 5,911.68

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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.