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Finding the Fourth Proportional to 6,453.50, 9,680.26 and 1,589.50

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Solution

The fourth proportional to 6,453.50, 9,680.26 and 1,589.50 is: 2,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.50 : 9,680.26 = 1,589.50 : x
  2. Step 2: Convert to fraction form
    6,453.50/9,680.26 = 1,589.50/x
  3. Step 3: Cross multiply
    6,453.50x = 9,680.26 × 1,589.50
  4. Step 4: Simplify right side
    6,453.50x = 15,386,773.27
  5. Step 5: Solve for x
    x = 15,386,773.27/6,453.50
  6. Step 6: Final answer
    x = 2,384.25

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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.