Home / 8,368.45-12,552.29-3,687.21

Finding the Fourth Proportional to 8,368.45, 12,552.29 and 3,687.21

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Solution

The fourth proportional to 8,368.45, 12,552.29 and 3,687.21 is: 5,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.45 : 12,552.29 = 3,687.21 : x
  2. Step 2: Convert to fraction form
    8,368.45/12,552.29 = 3,687.21/x
  3. Step 3: Cross multiply
    8,368.45x = 12,552.29 × 3,687.21
  4. Step 4: Simplify right side
    8,368.45x = 46,282,929.21
  5. Step 5: Solve for x
    x = 46,282,929.21/8,368.45
  6. Step 6: Final answer
    x = 5,530.65

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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.