Home / 7,820.28-10,792.08-4,283.64

Finding the Fourth Proportional to 7,820.28, 10,792.08 and 4,283.64

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Solution

The fourth proportional to 7,820.28, 10,792.08 and 4,283.64 is: 5,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.28 : 10,792.08 = 4,283.64 : x
  2. Step 2: Convert to fraction form
    7,820.28/10,792.08 = 4,283.64/x
  3. Step 3: Cross multiply
    7,820.28x = 10,792.08 × 4,283.64
  4. Step 4: Simplify right side
    7,820.28x = 46,229,385.57
  5. Step 5: Solve for x
    x = 46,229,385.57/7,820.28
  6. Step 6: Final answer
    x = 5,911.47

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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.