Home / 4,645.49-6,970.25-2,180.12

Finding the Fourth Proportional to 4,645.49, 6,970.25 and 2,180.12

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Solution

The fourth proportional to 4,645.49, 6,970.25 and 2,180.12 is: 3,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.49 : 6,970.25 = 2,180.12 : x
  2. Step 2: Convert to fraction form
    4,645.49/6,970.25 = 2,180.12/x
  3. Step 3: Cross multiply
    4,645.49x = 6,970.25 × 2,180.12
  4. Step 4: Simplify right side
    4,645.49x = 15,195,952.03
  5. Step 5: Solve for x
    x = 15,195,952.03/4,645.49
  6. Step 6: Final answer
    x = 3,271.12

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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.