Home / 4,894.16-7,340.93-2,118.89

Finding the Fourth Proportional to 4,894.16, 7,340.93 and 2,118.89

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Solution

The fourth proportional to 4,894.16, 7,340.93 and 2,118.89 is: 3,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.16 : 7,340.93 = 2,118.89 : x
  2. Step 2: Convert to fraction form
    4,894.16/7,340.93 = 2,118.89/x
  3. Step 3: Cross multiply
    4,894.16x = 7,340.93 × 2,118.89
  4. Step 4: Simplify right side
    4,894.16x = 15,554,638.87
  5. Step 5: Solve for x
    x = 15,554,638.87/4,894.16
  6. Step 6: Final answer
    x = 3,178.21

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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.