Home / 7,624.48-10,520.82-4,438.80

Finding the Fourth Proportional to 7,624.48, 10,520.82 and 4,438.80

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Solution

The fourth proportional to 7,624.48, 10,520.82 and 4,438.80 is: 6,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.48 : 10,520.82 = 4,438.80 : x
  2. Step 2: Convert to fraction form
    7,624.48/10,520.82 = 4,438.80/x
  3. Step 3: Cross multiply
    7,624.48x = 10,520.82 × 4,438.80
  4. Step 4: Simplify right side
    7,624.48x = 46,699,815.82
  5. Step 5: Solve for x
    x = 46,699,815.82/7,624.48
  6. Step 6: Final answer
    x = 6,124.98

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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.