Home / 7,285.08-10,927.38-3,999.72

Finding the Fourth Proportional to 7,285.08, 10,927.38 and 3,999.72

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Solution

The fourth proportional to 7,285.08, 10,927.38 and 3,999.72 is: 5,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.08 : 10,927.38 = 3,999.72 : x
  2. Step 2: Convert to fraction form
    7,285.08/10,927.38 = 3,999.72/x
  3. Step 3: Cross multiply
    7,285.08x = 10,927.38 × 3,999.72
  4. Step 4: Simplify right side
    7,285.08x = 43,706,460.33
  5. Step 5: Solve for x
    x = 43,706,460.33/7,285.08
  6. Step 6: Final answer
    x = 5,999.45

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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.