Home / 6,145.18-9,206.40-3,367.72

Finding the Fourth Proportional to 6,145.18, 9,206.40 and 3,367.72

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Solution

The fourth proportional to 6,145.18, 9,206.40 and 3,367.72 is: 5,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.18 : 9,206.40 = 3,367.72 : x
  2. Step 2: Convert to fraction form
    6,145.18/9,206.40 = 3,367.72/x
  3. Step 3: Cross multiply
    6,145.18x = 9,206.40 × 3,367.72
  4. Step 4: Simplify right side
    6,145.18x = 31,004,577.41
  5. Step 5: Solve for x
    x = 31,004,577.41/6,145.18
  6. Step 6: Final answer
    x = 5,045.35

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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.