Home / 4,785.89-6,605.20-2,898.23

Finding the Fourth Proportional to 4,785.89, 6,605.20 and 2,898.23

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Solution

The fourth proportional to 4,785.89, 6,605.20 and 2,898.23 is: 3,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.89 : 6,605.20 = 2,898.23 : x
  2. Step 2: Convert to fraction form
    4,785.89/6,605.20 = 2,898.23/x
  3. Step 3: Cross multiply
    4,785.89x = 6,605.20 × 2,898.23
  4. Step 4: Simplify right side
    4,785.89x = 19,143,380.24
  5. Step 5: Solve for x
    x = 19,143,380.24/4,785.89
  6. Step 6: Final answer
    x = 3,999.97

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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.