Home / 4,744.40-7,116.60-2,557.40

Finding the Fourth Proportional to 4,744.40, 7,116.60 and 2,557.40

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Solution

The fourth proportional to 4,744.40, 7,116.60 and 2,557.40 is: 3,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.40 : 7,116.60 = 2,557.40 : x
  2. Step 2: Convert to fraction form
    4,744.40/7,116.60 = 2,557.40/x
  3. Step 3: Cross multiply
    4,744.40x = 7,116.60 × 2,557.40
  4. Step 4: Simplify right side
    4,744.40x = 18,199,992.84
  5. Step 5: Solve for x
    x = 18,199,992.84/4,744.40
  6. Step 6: Final answer
    x = 3,836.10

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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.