Home / 8,240.90-11,370.57-4,703.54

Finding the Fourth Proportional to 8,240.90, 11,370.57 and 4,703.54

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Solution

The fourth proportional to 8,240.90, 11,370.57 and 4,703.54 is: 6,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.90 : 11,370.57 = 4,703.54 : x
  2. Step 2: Convert to fraction form
    8,240.90/11,370.57 = 4,703.54/x
  3. Step 3: Cross multiply
    8,240.90x = 11,370.57 × 4,703.54
  4. Step 4: Simplify right side
    8,240.90x = 53,481,930.82
  5. Step 5: Solve for x
    x = 53,481,930.82/8,240.90
  6. Step 6: Final answer
    x = 6,489.82

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1.5x scale

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.