Home / 4,695.42-7,029.08-2,840.90

Finding the Fourth Proportional to 4,695.42, 7,029.08 and 2,840.90

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Solution

The fourth proportional to 4,695.42, 7,029.08 and 2,840.90 is: 4,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.42 : 7,029.08 = 2,840.90 : x
  2. Step 2: Convert to fraction form
    4,695.42/7,029.08 = 2,840.90/x
  3. Step 3: Cross multiply
    4,695.42x = 7,029.08 × 2,840.90
  4. Step 4: Simplify right side
    4,695.42x = 19,968,913.37
  5. Step 5: Solve for x
    x = 19,968,913.37/4,695.42
  6. Step 6: Final answer
    x = 4,252.85

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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.