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Finding the Fourth Proportional to 4,617.68, 6,912.54 and 2,975.40

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Solution

The fourth proportional to 4,617.68, 6,912.54 and 2,975.40 is: 4,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.68 : 6,912.54 = 2,975.40 : x
  2. Step 2: Convert to fraction form
    4,617.68/6,912.54 = 2,975.40/x
  3. Step 3: Cross multiply
    4,617.68x = 6,912.54 × 2,975.40
  4. Step 4: Simplify right side
    4,617.68x = 20,567,571.52
  5. Step 5: Solve for x
    x = 20,567,571.52/4,617.68
  6. Step 6: Final answer
    x = 4,454.10

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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.