Home / 7,868.46-10,860.32-4,511.21

Finding the Fourth Proportional to 7,868.46, 10,860.32 and 4,511.21

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Solution

The fourth proportional to 7,868.46, 10,860.32 and 4,511.21 is: 6,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.46 : 10,860.32 = 4,511.21 : x
  2. Step 2: Convert to fraction form
    7,868.46/10,860.32 = 4,511.21/x
  3. Step 3: Cross multiply
    7,868.46x = 10,860.32 × 4,511.21
  4. Step 4: Simplify right side
    7,868.46x = 48,993,134.48
  5. Step 5: Solve for x
    x = 48,993,134.48/7,868.46
  6. Step 6: Final answer
    x = 6,226.53

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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.