Home / 4,439.13-6,647.31-4,307.73

Finding the Fourth Proportional to 4,439.13, 6,647.31 and 4,307.73

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Solution

The fourth proportional to 4,439.13, 6,647.31 and 4,307.73 is: 6,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.13 : 6,647.31 = 4,307.73 : x
  2. Step 2: Convert to fraction form
    4,439.13/6,647.31 = 4,307.73/x
  3. Step 3: Cross multiply
    4,439.13x = 6,647.31 × 4,307.73
  4. Step 4: Simplify right side
    4,439.13x = 28,634,816.71
  5. Step 5: Solve for x
    x = 28,634,816.71/4,439.13
  6. Step 6: Final answer
    x = 6,450.55

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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.