Home / 7,074.06-9,762.30-4,279.56

Finding the Fourth Proportional to 7,074.06, 9,762.30 and 4,279.56

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Solution

The fourth proportional to 7,074.06, 9,762.30 and 4,279.56 is: 5,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.06 : 9,762.30 = 4,279.56 : x
  2. Step 2: Convert to fraction form
    7,074.06/9,762.30 = 4,279.56/x
  3. Step 3: Cross multiply
    7,074.06x = 9,762.30 × 4,279.56
  4. Step 4: Simplify right side
    7,074.06x = 41,778,348.59
  5. Step 5: Solve for x
    x = 41,778,348.59/7,074.06
  6. Step 6: Final answer
    x = 5,905.85

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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.