Home / 7,999.40-11,037.30-4,855.56

Finding the Fourth Proportional to 7,999.40, 11,037.30 and 4,855.56

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Solution

The fourth proportional to 7,999.40, 11,037.30 and 4,855.56 is: 6,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.40 : 11,037.30 = 4,855.56 : x
  2. Step 2: Convert to fraction form
    7,999.40/11,037.30 = 4,855.56/x
  3. Step 3: Cross multiply
    7,999.40x = 11,037.30 × 4,855.56
  4. Step 4: Simplify right side
    7,999.40x = 53,592,272.39
  5. Step 5: Solve for x
    x = 53,592,272.39/7,999.40
  6. Step 6: Final answer
    x = 6,699.54

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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.