Home / 4,968.30-7,440.30-3,315.90

Finding the Fourth Proportional to 4,968.30, 7,440.30 and 3,315.90

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Solution

The fourth proportional to 4,968.30, 7,440.30 and 3,315.90 is: 4,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.30 : 7,440.30 = 3,315.90 : x
  2. Step 2: Convert to fraction form
    4,968.30/7,440.30 = 3,315.90/x
  3. Step 3: Cross multiply
    4,968.30x = 7,440.30 × 3,315.90
  4. Step 4: Simplify right side
    4,968.30x = 24,671,290.77
  5. Step 5: Solve for x
    x = 24,671,290.77/4,968.30
  6. Step 6: Final answer
    x = 4,965.74

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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.