Home / 5,455.25-8,141.67-4,930.37

Finding the Fourth Proportional to 5,455.25, 8,141.67 and 4,930.37

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Solution

The fourth proportional to 5,455.25, 8,141.67 and 4,930.37 is: 7,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.25 : 8,141.67 = 4,930.37 : x
  2. Step 2: Convert to fraction form
    5,455.25/8,141.67 = 4,930.37/x
  3. Step 3: Cross multiply
    5,455.25x = 8,141.67 × 4,930.37
  4. Step 4: Simplify right side
    5,455.25x = 40,141,445.52
  5. Step 5: Solve for x
    x = 40,141,445.52/5,455.25
  6. Step 6: Final answer
    x = 7,358.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.