Home / 6,071.70-9,105.93-1,689.60

Finding the Fourth Proportional to 6,071.70, 9,105.93 and 1,689.60

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Solution

The fourth proportional to 6,071.70, 9,105.93 and 1,689.60 is: 2,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.70 : 9,105.93 = 1,689.60 : x
  2. Step 2: Convert to fraction form
    6,071.70/9,105.93 = 1,689.60/x
  3. Step 3: Cross multiply
    6,071.70x = 9,105.93 × 1,689.60
  4. Step 4: Simplify right side
    6,071.70x = 15,385,379.33
  5. Step 5: Solve for x
    x = 15,385,379.33/6,071.70
  6. Step 6: Final answer
    x = 2,533.95

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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.