Home / 6,197.71-9,280.67-3,421.30

Finding the Fourth Proportional to 6,197.71, 9,280.67 and 3,421.30

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Solution

The fourth proportional to 6,197.71, 9,280.67 and 3,421.30 is: 5,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,197.71 : 9,280.67 = 3,421.30 : x
  2. Step 2: Convert to fraction form
    6,197.71/9,280.67 = 3,421.30/x
  3. Step 3: Cross multiply
    6,197.71x = 9,280.67 × 3,421.30
  4. Step 4: Simplify right side
    6,197.71x = 31,751,956.27
  5. Step 5: Solve for x
    x = 31,751,956.27/6,197.71
  6. Step 6: Final answer
    x = 5,123.18

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1.5x scale

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.