Home / 4,627.19-6,938.96-1,994.90

Finding the Fourth Proportional to 4,627.19, 6,938.96 and 1,994.90

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Solution

The fourth proportional to 4,627.19, 6,938.96 and 1,994.90 is: 2,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.19 : 6,938.96 = 1,994.90 : x
  2. Step 2: Convert to fraction form
    4,627.19/6,938.96 = 1,994.90/x
  3. Step 3: Cross multiply
    4,627.19x = 6,938.96 × 1,994.90
  4. Step 4: Simplify right side
    4,627.19x = 13,842,486.63
  5. Step 5: Solve for x
    x = 13,842,486.63/4,627.19
  6. Step 6: Final answer
    x = 2,991.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.