Home / 7,383.15-10,188.99-4,025.80

Finding the Fourth Proportional to 7,383.15, 10,188.99 and 4,025.80

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Solution

The fourth proportional to 7,383.15, 10,188.99 and 4,025.80 is: 5,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.15 : 10,188.99 = 4,025.80 : x
  2. Step 2: Convert to fraction form
    7,383.15/10,188.99 = 4,025.80/x
  3. Step 3: Cross multiply
    7,383.15x = 10,188.99 × 4,025.80
  4. Step 4: Simplify right side
    7,383.15x = 41,018,848.68
  5. Step 5: Solve for x
    x = 41,018,848.68/7,383.15
  6. Step 6: Final answer
    x = 5,555.74

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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.