Home / 7,384.50-10,190.45-4,027.34

Finding the Fourth Proportional to 7,384.50, 10,190.45 and 4,027.34

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Solution

The fourth proportional to 7,384.50, 10,190.45 and 4,027.34 is: 5,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.50 : 10,190.45 = 4,027.34 : x
  2. Step 2: Convert to fraction form
    7,384.50/10,190.45 = 4,027.34/x
  3. Step 3: Cross multiply
    7,384.50x = 10,190.45 × 4,027.34
  4. Step 4: Simplify right side
    7,384.50x = 41,040,335.81
  5. Step 5: Solve for x
    x = 41,040,335.81/7,384.50
  6. Step 6: Final answer
    x = 5,557.63

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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.