Home / 5,458.96-8,188.65-1,761.25

Finding the Fourth Proportional to 5,458.96, 8,188.65 and 1,761.25

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Solution

The fourth proportional to 5,458.96, 8,188.65 and 1,761.25 is: 2,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.96 : 8,188.65 = 1,761.25 : x
  2. Step 2: Convert to fraction form
    5,458.96/8,188.65 = 1,761.25/x
  3. Step 3: Cross multiply
    5,458.96x = 8,188.65 × 1,761.25
  4. Step 4: Simplify right side
    5,458.96x = 14,422,259.81
  5. Step 5: Solve for x
    x = 14,422,259.81/5,458.96
  6. Step 6: Final answer
    x = 2,641.94

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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.