Home / 8,403.96-12,607.56-2,858.25

Finding the Fourth Proportional to 8,403.96, 12,607.56 and 2,858.25

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Solution

The fourth proportional to 8,403.96, 12,607.56 and 2,858.25 is: 4,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.96 : 12,607.56 = 2,858.25 : x
  2. Step 2: Convert to fraction form
    8,403.96/12,607.56 = 2,858.25/x
  3. Step 3: Cross multiply
    8,403.96x = 12,607.56 × 2,858.25
  4. Step 4: Simplify right side
    8,403.96x = 36,035,558.37
  5. Step 5: Solve for x
    x = 36,035,558.37/8,403.96
  6. Step 6: Final answer
    x = 4,287.93

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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.