Home / 4,817.15-6,646.60-2,800.25

Finding the Fourth Proportional to 4,817.15, 6,646.60 and 2,800.25

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Solution

The fourth proportional to 4,817.15, 6,646.60 and 2,800.25 is: 3,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.15 : 6,646.60 = 2,800.25 : x
  2. Step 2: Convert to fraction form
    4,817.15/6,646.60 = 2,800.25/x
  3. Step 3: Cross multiply
    4,817.15x = 6,646.60 × 2,800.25
  4. Step 4: Simplify right side
    4,817.15x = 18,612,151.27
  5. Step 5: Solve for x
    x = 18,612,151.27/4,817.15
  6. Step 6: Final answer
    x = 3,863.72

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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.