Home / 6,403.37-9,605.03-2,979.74

Finding the Fourth Proportional to 6,403.37, 9,605.03 and 2,979.74

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Solution

The fourth proportional to 6,403.37, 9,605.03 and 2,979.74 is: 4,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.37 : 9,605.03 = 2,979.74 : x
  2. Step 2: Convert to fraction form
    6,403.37/9,605.03 = 2,979.74/x
  3. Step 3: Cross multiply
    6,403.37x = 9,605.03 × 2,979.74
  4. Step 4: Simplify right side
    6,403.37x = 28,620,501.21
  5. Step 5: Solve for x
    x = 28,620,501.21/6,403.37
  6. Step 6: Final answer
    x = 4,469.60

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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.