Home / 4,558.60-6,837.90-1,637.20

Finding the Fourth Proportional to 4,558.60, 6,837.90 and 1,637.20

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Solution

The fourth proportional to 4,558.60, 6,837.90 and 1,637.20 is: 2,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.60 : 6,837.90 = 1,637.20 : x
  2. Step 2: Convert to fraction form
    4,558.60/6,837.90 = 1,637.20/x
  3. Step 3: Cross multiply
    4,558.60x = 6,837.90 × 1,637.20
  4. Step 4: Simplify right side
    4,558.60x = 11,195,009.88
  5. Step 5: Solve for x
    x = 11,195,009.88/4,558.60
  6. Step 6: Final answer
    x = 2,455.80

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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.