Home / 6,291.12-9,429.12-4,439.46

Finding the Fourth Proportional to 6,291.12, 9,429.12 and 4,439.46

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Solution

The fourth proportional to 6,291.12, 9,429.12 and 4,439.46 is: 6,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.12 : 9,429.12 = 4,439.46 : x
  2. Step 2: Convert to fraction form
    6,291.12/9,429.12 = 4,439.46/x
  3. Step 3: Cross multiply
    6,291.12x = 9,429.12 × 4,439.46
  4. Step 4: Simplify right side
    6,291.12x = 41,860,201.08
  5. Step 5: Solve for x
    x = 41,860,201.08/6,291.12
  6. Step 6: Final answer
    x = 6,653.86

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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.