Home / 4,907.66-6,772.75-2,812.19

Finding the Fourth Proportional to 4,907.66, 6,772.75 and 2,812.19

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Solution

The fourth proportional to 4,907.66, 6,772.75 and 2,812.19 is: 3,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.66 : 6,772.75 = 2,812.19 : x
  2. Step 2: Convert to fraction form
    4,907.66/6,772.75 = 2,812.19/x
  3. Step 3: Cross multiply
    4,907.66x = 6,772.75 × 2,812.19
  4. Step 4: Simplify right side
    4,907.66x = 19,046,218.93
  5. Step 5: Solve for x
    x = 19,046,218.93/4,907.66
  6. Step 6: Final answer
    x = 3,880.92

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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.