Home / 4,095.64-5,645.10-3,309.40

Finding the Fourth Proportional to 4,095.64, 5,645.10 and 3,309.40

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Solution

The fourth proportional to 4,095.64, 5,645.10 and 3,309.40 is: 4,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.64 : 5,645.10 = 3,309.40 : x
  2. Step 2: Convert to fraction form
    4,095.64/5,645.10 = 3,309.40/x
  3. Step 3: Cross multiply
    4,095.64x = 5,645.10 × 3,309.40
  4. Step 4: Simplify right side
    4,095.64x = 18,681,893.94
  5. Step 5: Solve for x
    x = 18,681,893.94/4,095.64
  6. Step 6: Final answer
    x = 4,561.41

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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.