Home / 5,039.12-6,954.44-2,801.45

Finding the Fourth Proportional to 5,039.12, 6,954.44 and 2,801.45

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Solution

The fourth proportional to 5,039.12, 6,954.44 and 2,801.45 is: 3,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.12 : 6,954.44 = 2,801.45 : x
  2. Step 2: Convert to fraction form
    5,039.12/6,954.44 = 2,801.45/x
  3. Step 3: Cross multiply
    5,039.12x = 6,954.44 × 2,801.45
  4. Step 4: Simplify right side
    5,039.12x = 19,482,515.94
  5. Step 5: Solve for x
    x = 19,482,515.94/5,039.12
  6. Step 6: Final answer
    x = 3,866.25

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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.