Home / 7,485.43-11,231.40-4,018.63

Finding the Fourth Proportional to 7,485.43, 11,231.40 and 4,018.63

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Solution

The fourth proportional to 7,485.43, 11,231.40 and 4,018.63 is: 6,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.43 : 11,231.40 = 4,018.63 : x
  2. Step 2: Convert to fraction form
    7,485.43/11,231.40 = 4,018.63/x
  3. Step 3: Cross multiply
    7,485.43x = 11,231.40 × 4,018.63
  4. Step 4: Simplify right side
    7,485.43x = 45,134,840.98
  5. Step 5: Solve for x
    x = 45,134,840.98/7,485.43
  6. Step 6: Final answer
    x = 6,029.69

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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.