Home / 5,114.60-7,669.96-1,827.08

Finding the Fourth Proportional to 5,114.60, 7,669.96 and 1,827.08

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Solution

The fourth proportional to 5,114.60, 7,669.96 and 1,827.08 is: 2,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.60 : 7,669.96 = 1,827.08 : x
  2. Step 2: Convert to fraction form
    5,114.60/7,669.96 = 1,827.08/x
  3. Step 3: Cross multiply
    5,114.60x = 7,669.96 × 1,827.08
  4. Step 4: Simplify right side
    5,114.60x = 14,013,630.52
  5. Step 5: Solve for x
    x = 14,013,630.52/5,114.60
  6. Step 6: Final answer
    x = 2,739.93

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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.