Home / 6,399.48-9,602.15-2,890.43

Finding the Fourth Proportional to 6,399.48, 9,602.15 and 2,890.43

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Solution

The fourth proportional to 6,399.48, 9,602.15 and 2,890.43 is: 4,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.48 : 9,602.15 = 2,890.43 : x
  2. Step 2: Convert to fraction form
    6,399.48/9,602.15 = 2,890.43/x
  3. Step 3: Cross multiply
    6,399.48x = 9,602.15 × 2,890.43
  4. Step 4: Simplify right side
    6,399.48x = 27,754,279.96
  5. Step 5: Solve for x
    x = 27,754,279.96/6,399.48
  6. Step 6: Final answer
    x = 4,336.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.