Home / 8,235.12-12,355.84-4,950.48

Finding the Fourth Proportional to 8,235.12, 12,355.84 and 4,950.48

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Solution

The fourth proportional to 8,235.12, 12,355.84 and 4,950.48 is: 7,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.12 : 12,355.84 = 4,950.48 : x
  2. Step 2: Convert to fraction form
    8,235.12/12,355.84 = 4,950.48/x
  3. Step 3: Cross multiply
    8,235.12x = 12,355.84 × 4,950.48
  4. Step 4: Simplify right side
    8,235.12x = 61,167,338.80
  5. Step 5: Solve for x
    x = 61,167,338.80/8,235.12
  6. Step 6: Final answer
    x = 7,427.62

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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.