Home / 5,202.63-7,807.46-1,918.35

Finding the Fourth Proportional to 5,202.63, 7,807.46 and 1,918.35

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Solution

The fourth proportional to 5,202.63, 7,807.46 and 1,918.35 is: 2,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.63 : 7,807.46 = 1,918.35 : x
  2. Step 2: Convert to fraction form
    5,202.63/7,807.46 = 1,918.35/x
  3. Step 3: Cross multiply
    5,202.63x = 7,807.46 × 1,918.35
  4. Step 4: Simplify right side
    5,202.63x = 14,977,431.30
  5. Step 5: Solve for x
    x = 14,977,431.30/5,202.63
  6. Step 6: Final answer
    x = 2,878.82

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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.