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Finding the Fourth Proportional to 4,366.50, 6,549.93 and 1,288.50

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Solution

The fourth proportional to 4,366.50, 6,549.93 and 1,288.50 is: 1,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,366.50 : 6,549.93 = 1,288.50 : x
  2. Step 2: Convert to fraction form
    4,366.50/6,549.93 = 1,288.50/x
  3. Step 3: Cross multiply
    4,366.50x = 6,549.93 × 1,288.50
  4. Step 4: Simplify right side
    4,366.50x = 8,439,584.81
  5. Step 5: Solve for x
    x = 8,439,584.81/4,366.50
  6. Step 6: Final answer
    x = 1,932.80

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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.