Home / 6,164.45-9,240.30-3,390.17

Finding the Fourth Proportional to 6,164.45, 9,240.30 and 3,390.17

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Solution

The fourth proportional to 6,164.45, 9,240.30 and 3,390.17 is: 5,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,164.45 : 9,240.30 = 3,390.17 : x
  2. Step 2: Convert to fraction form
    6,164.45/9,240.30 = 3,390.17/x
  3. Step 3: Cross multiply
    6,164.45x = 9,240.30 × 3,390.17
  4. Step 4: Simplify right side
    6,164.45x = 31,326,210.95
  5. Step 5: Solve for x
    x = 31,326,210.95/6,164.45
  6. Step 6: Final answer
    x = 5,081.75

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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.