Home / 5,239.77-7,858.85-1,541.31

Finding the Fourth Proportional to 5,239.77, 7,858.85 and 1,541.31

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Solution

The fourth proportional to 5,239.77, 7,858.85 and 1,541.31 is: 2,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.77 : 7,858.85 = 1,541.31 : x
  2. Step 2: Convert to fraction form
    5,239.77/7,858.85 = 1,541.31/x
  3. Step 3: Cross multiply
    5,239.77x = 7,858.85 × 1,541.31
  4. Step 4: Simplify right side
    5,239.77x = 12,112,916.39
  5. Step 5: Solve for x
    x = 12,112,916.39/5,239.77
  6. Step 6: Final answer
    x = 2,311.73

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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.