Home / 6,290.72-8,681.19-3,458.27

Finding the Fourth Proportional to 6,290.72, 8,681.19 and 3,458.27

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Solution

The fourth proportional to 6,290.72, 8,681.19 and 3,458.27 is: 4,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.72 : 8,681.19 = 3,458.27 : x
  2. Step 2: Convert to fraction form
    6,290.72/8,681.19 = 3,458.27/x
  3. Step 3: Cross multiply
    6,290.72x = 8,681.19 × 3,458.27
  4. Step 4: Simplify right side
    6,290.72x = 30,021,920.64
  5. Step 5: Solve for x
    x = 30,021,920.64/6,290.72
  6. Step 6: Final answer
    x = 4,772.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.