Home / 5,723.60-8,587.80-4,090.64

Finding the Fourth Proportional to 5,723.60, 8,587.80 and 4,090.64

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Solution

The fourth proportional to 5,723.60, 8,587.80 and 4,090.64 is: 6,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.60 : 8,587.80 = 4,090.64 : x
  2. Step 2: Convert to fraction form
    5,723.60/8,587.80 = 4,090.64/x
  3. Step 3: Cross multiply
    5,723.60x = 8,587.80 × 4,090.64
  4. Step 4: Simplify right side
    5,723.60x = 35,129,598.19
  5. Step 5: Solve for x
    x = 35,129,598.19/5,723.60
  6. Step 6: Final answer
    x = 6,137.68

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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.