Home / 4,870.37-6,720.63-2,982.49

Finding the Fourth Proportional to 4,870.37, 6,720.63 and 2,982.49

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Solution

The fourth proportional to 4,870.37, 6,720.63 and 2,982.49 is: 4,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.37 : 6,720.63 = 2,982.49 : x
  2. Step 2: Convert to fraction form
    4,870.37/6,720.63 = 2,982.49/x
  3. Step 3: Cross multiply
    4,870.37x = 6,720.63 × 2,982.49
  4. Step 4: Simplify right side
    4,870.37x = 20,044,211.77
  5. Step 5: Solve for x
    x = 20,044,211.77/4,870.37
  6. Step 6: Final answer
    x = 4,115.54

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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.