Home / 4,438.07-6,645.56-4,306.60

Finding the Fourth Proportional to 4,438.07, 6,645.56 and 4,306.60

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Solution

The fourth proportional to 4,438.07, 6,645.56 and 4,306.60 is: 6,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.07 : 6,645.56 = 4,306.60 : x
  2. Step 2: Convert to fraction form
    4,438.07/6,645.56 = 4,306.60/x
  3. Step 3: Cross multiply
    4,438.07x = 6,645.56 × 4,306.60
  4. Step 4: Simplify right side
    4,438.07x = 28,619,755.47
  5. Step 5: Solve for x
    x = 28,619,755.47/4,438.07
  6. Step 6: Final answer
    x = 6,448.70

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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.