Home / 4,815.16-6,644.96-2,825.76

Finding the Fourth Proportional to 4,815.16, 6,644.96 and 2,825.76

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Solution

The fourth proportional to 4,815.16, 6,644.96 and 2,825.76 is: 3,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.16 : 6,644.96 = 2,825.76 : x
  2. Step 2: Convert to fraction form
    4,815.16/6,644.96 = 2,825.76/x
  3. Step 3: Cross multiply
    4,815.16x = 6,644.96 × 2,825.76
  4. Step 4: Simplify right side
    4,815.16x = 18,777,062.17
  5. Step 5: Solve for x
    x = 18,777,062.17/4,815.16
  6. Step 6: Final answer
    x = 3,899.57

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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.