Home / 6,288.26-9,432.41-1,905.76

Finding the Fourth Proportional to 6,288.26, 9,432.41 and 1,905.76

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Solution

The fourth proportional to 6,288.26, 9,432.41 and 1,905.76 is: 2,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.26 : 9,432.41 = 1,905.76 : x
  2. Step 2: Convert to fraction form
    6,288.26/9,432.41 = 1,905.76/x
  3. Step 3: Cross multiply
    6,288.26x = 9,432.41 × 1,905.76
  4. Step 4: Simplify right side
    6,288.26x = 17,975,876.57
  5. Step 5: Solve for x
    x = 17,975,876.57/6,288.26
  6. Step 6: Final answer
    x = 2,858.64

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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.