Home / 7,490.67-11,235.86-3,329.55

Finding the Fourth Proportional to 7,490.67, 11,235.86 and 3,329.55

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Solution

The fourth proportional to 7,490.67, 11,235.86 and 3,329.55 is: 4,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.67 : 11,235.86 = 3,329.55 : x
  2. Step 2: Convert to fraction form
    7,490.67/11,235.86 = 3,329.55/x
  3. Step 3: Cross multiply
    7,490.67x = 11,235.86 × 3,329.55
  4. Step 4: Simplify right side
    7,490.67x = 37,410,341.02
  5. Step 5: Solve for x
    x = 37,410,341.02/7,490.67
  6. Step 6: Final answer
    x = 4,994.26

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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.