Home / 4,390.39-6,575.69-3,079.98

Finding the Fourth Proportional to 4,390.39, 6,575.69 and 3,079.98

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Solution

The fourth proportional to 4,390.39, 6,575.69 and 3,079.98 is: 4,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.39 : 6,575.69 = 3,079.98 : x
  2. Step 2: Convert to fraction form
    4,390.39/6,575.69 = 3,079.98/x
  3. Step 3: Cross multiply
    4,390.39x = 6,575.69 × 3,079.98
  4. Step 4: Simplify right side
    4,390.39x = 20,252,960.81
  5. Step 5: Solve for x
    x = 20,252,960.81/4,390.39
  6. Step 6: Final answer
    x = 4,613.03

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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.