Home / 4,701.89-6,489.16-2,813.45

Finding the Fourth Proportional to 4,701.89, 6,489.16 and 2,813.45

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Solution

The fourth proportional to 4,701.89, 6,489.16 and 2,813.45 is: 3,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.89 : 6,489.16 = 2,813.45 : x
  2. Step 2: Convert to fraction form
    4,701.89/6,489.16 = 2,813.45/x
  3. Step 3: Cross multiply
    4,701.89x = 6,489.16 × 2,813.45
  4. Step 4: Simplify right side
    4,701.89x = 18,256,887.72
  5. Step 5: Solve for x
    x = 18,256,887.72/4,701.89
  6. Step 6: Final answer
    x = 3,882.88

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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.