Home / 7,506.71-11,245.47-4,221.96

Finding the Fourth Proportional to 7,506.71, 11,245.47 and 4,221.96

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Solution

The fourth proportional to 7,506.71, 11,245.47 and 4,221.96 is: 6,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.71 : 11,245.47 = 4,221.96 : x
  2. Step 2: Convert to fraction form
    7,506.71/11,245.47 = 4,221.96/x
  3. Step 3: Cross multiply
    7,506.71x = 11,245.47 × 4,221.96
  4. Step 4: Simplify right side
    7,506.71x = 47,477,866.52
  5. Step 5: Solve for x
    x = 47,477,866.52/7,506.71
  6. Step 6: Final answer
    x = 6,324.72

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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.