Home / 4,923.63-6,792.87-3,156.21

Finding the Fourth Proportional to 4,923.63, 6,792.87 and 3,156.21

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Solution

The fourth proportional to 4,923.63, 6,792.87 and 3,156.21 is: 4,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.63 : 6,792.87 = 3,156.21 : x
  2. Step 2: Convert to fraction form
    4,923.63/6,792.87 = 3,156.21/x
  3. Step 3: Cross multiply
    4,923.63x = 6,792.87 × 3,156.21
  4. Step 4: Simplify right side
    4,923.63x = 21,439,724.22
  5. Step 5: Solve for x
    x = 21,439,724.22/4,923.63
  6. Step 6: Final answer
    x = 4,354.45

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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.