Home / 4,701.20-6,487.62-2,813.60

Finding the Fourth Proportional to 4,701.20, 6,487.62 and 2,813.60

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Solution

The fourth proportional to 4,701.20, 6,487.62 and 2,813.60 is: 3,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.20 : 6,487.62 = 2,813.60 : x
  2. Step 2: Convert to fraction form
    4,701.20/6,487.62 = 2,813.60/x
  3. Step 3: Cross multiply
    4,701.20x = 6,487.62 × 2,813.60
  4. Step 4: Simplify right side
    4,701.20x = 18,253,567.63
  5. Step 5: Solve for x
    x = 18,253,567.63/4,701.20
  6. Step 6: Final answer
    x = 3,882.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.