Home / 7,820.03-10,791.81-4,283.17

Finding the Fourth Proportional to 7,820.03, 10,791.81 and 4,283.17

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Solution

The fourth proportional to 7,820.03, 10,791.81 and 4,283.17 is: 5,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.03 : 10,791.81 = 4,283.17 : x
  2. Step 2: Convert to fraction form
    7,820.03/10,791.81 = 4,283.17/x
  3. Step 3: Cross multiply
    7,820.03x = 10,791.81 × 4,283.17
  4. Step 4: Simplify right side
    7,820.03x = 46,223,156.84
  5. Step 5: Solve for x
    x = 46,223,156.84/7,820.03
  6. Step 6: Final answer
    x = 5,910.87

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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.