Home / 7,609.91-11,417.46-4,100.28

Finding the Fourth Proportional to 7,609.91, 11,417.46 and 4,100.28

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Solution

The fourth proportional to 7,609.91, 11,417.46 and 4,100.28 is: 6,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.91 : 11,417.46 = 4,100.28 : x
  2. Step 2: Convert to fraction form
    7,609.91/11,417.46 = 4,100.28/x
  3. Step 3: Cross multiply
    7,609.91x = 11,417.46 × 4,100.28
  4. Step 4: Simplify right side
    7,609.91x = 46,814,782.89
  5. Step 5: Solve for x
    x = 46,814,782.89/7,609.91
  6. Step 6: Final answer
    x = 6,151.82

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1.5x scale

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.