Home / 7,486.40-11,217.24-4,555.84

Finding the Fourth Proportional to 7,486.40, 11,217.24 and 4,555.84

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Solution

The fourth proportional to 7,486.40, 11,217.24 and 4,555.84 is: 6,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.40 : 11,217.24 = 4,555.84 : x
  2. Step 2: Convert to fraction form
    7,486.40/11,217.24 = 4,555.84/x
  3. Step 3: Cross multiply
    7,486.40x = 11,217.24 × 4,555.84
  4. Step 4: Simplify right side
    7,486.40x = 51,103,950.68
  5. Step 5: Solve for x
    x = 51,103,950.68/7,486.40
  6. Step 6: Final answer
    x = 6,826.24

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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.