Home / 4,645.11-6,405.96-4,309.77

Finding the Fourth Proportional to 4,645.11, 6,405.96 and 4,309.77

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Solution

The fourth proportional to 4,645.11, 6,405.96 and 4,309.77 is: 5,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.11 : 6,405.96 = 4,309.77 : x
  2. Step 2: Convert to fraction form
    4,645.11/6,405.96 = 4,309.77/x
  3. Step 3: Cross multiply
    4,645.11x = 6,405.96 × 4,309.77
  4. Step 4: Simplify right side
    4,645.11x = 27,608,214.23
  5. Step 5: Solve for x
    x = 27,608,214.23/4,645.11
  6. Step 6: Final answer
    x = 5,943.50

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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.