Home / 7,180.35-10,772.57-3,018.21

Finding the Fourth Proportional to 7,180.35, 10,772.57 and 3,018.21

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Solution

The fourth proportional to 7,180.35, 10,772.57 and 3,018.21 is: 4,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.35 : 10,772.57 = 3,018.21 : x
  2. Step 2: Convert to fraction form
    7,180.35/10,772.57 = 3,018.21/x
  3. Step 3: Cross multiply
    7,180.35x = 10,772.57 × 3,018.21
  4. Step 4: Simplify right side
    7,180.35x = 32,513,878.50
  5. Step 5: Solve for x
    x = 32,513,878.50/7,180.35
  6. Step 6: Final answer
    x = 4,528.17

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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.