Home / 4,070.40-5,604.48-3,286.32

Finding the Fourth Proportional to 4,070.40, 5,604.48 and 3,286.32

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Solution

The fourth proportional to 4,070.40, 5,604.48 and 3,286.32 is: 4,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.40 : 5,604.48 = 3,286.32 : x
  2. Step 2: Convert to fraction form
    4,070.40/5,604.48 = 3,286.32/x
  3. Step 3: Cross multiply
    4,070.40x = 5,604.48 × 3,286.32
  4. Step 4: Simplify right side
    4,070.40x = 18,418,114.71
  5. Step 5: Solve for x
    x = 18,418,114.71/4,070.40
  6. Step 6: Final answer
    x = 4,524.89

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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.