Home / 7,388.18-10,199.73-4,999.94

Finding the Fourth Proportional to 7,388.18, 10,199.73 and 4,999.94

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Solution

The fourth proportional to 7,388.18, 10,199.73 and 4,999.94 is: 6,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.18 : 10,199.73 = 4,999.94 : x
  2. Step 2: Convert to fraction form
    7,388.18/10,199.73 = 4,999.94/x
  3. Step 3: Cross multiply
    7,388.18x = 10,199.73 × 4,999.94
  4. Step 4: Simplify right side
    7,388.18x = 50,998,038.02
  5. Step 5: Solve for x
    x = 50,998,038.02/7,388.18
  6. Step 6: Final answer
    x = 6,902.65

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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.