Home / 9,761.60-14,643.40-3,188.28

Finding the Fourth Proportional to 9,761.60, 14,643.40 and 3,188.28

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Solution

The fourth proportional to 9,761.60, 14,643.40 and 3,188.28 is: 4,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.60 : 14,643.40 = 3,188.28 : x
  2. Step 2: Convert to fraction form
    9,761.60/14,643.40 = 3,188.28/x
  3. Step 3: Cross multiply
    9,761.60x = 14,643.40 × 3,188.28
  4. Step 4: Simplify right side
    9,761.60x = 46,687,259.35
  5. Step 5: Solve for x
    x = 46,687,259.35/9,761.60
  6. Step 6: Final answer
    x = 4,782.75

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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.