Home / 5,607.09-8,405.37-1,906.70

Finding the Fourth Proportional to 5,607.09, 8,405.37 and 1,906.70

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Solution

The fourth proportional to 5,607.09, 8,405.37 and 1,906.70 is: 2,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.09 : 8,405.37 = 1,906.70 : x
  2. Step 2: Convert to fraction form
    5,607.09/8,405.37 = 1,906.70/x
  3. Step 3: Cross multiply
    5,607.09x = 8,405.37 × 1,906.70
  4. Step 4: Simplify right side
    5,607.09x = 16,026,476.95
  5. Step 5: Solve for x
    x = 16,026,476.95/5,607.09
  6. Step 6: Final answer
    x = 2,858.25

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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.