Home / 7,314.45-10,966.59-3,153.21

Finding the Fourth Proportional to 7,314.45, 10,966.59 and 3,153.21

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Solution

The fourth proportional to 7,314.45, 10,966.59 and 3,153.21 is: 4,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.45 : 10,966.59 = 3,153.21 : x
  2. Step 2: Convert to fraction form
    7,314.45/10,966.59 = 3,153.21/x
  3. Step 3: Cross multiply
    7,314.45x = 10,966.59 × 3,153.21
  4. Step 4: Simplify right side
    7,314.45x = 34,579,961.25
  5. Step 5: Solve for x
    x = 34,579,961.25/7,314.45
  6. Step 6: Final answer
    x = 4,727.62

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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.