Home / 7,208.08-10,810.88-2,012.72

Finding the Fourth Proportional to 7,208.08, 10,810.88 and 2,012.72

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Solution

The fourth proportional to 7,208.08, 10,810.88 and 2,012.72 is: 3,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.08 : 10,810.88 = 2,012.72 : x
  2. Step 2: Convert to fraction form
    7,208.08/10,810.88 = 2,012.72/x
  3. Step 3: Cross multiply
    7,208.08x = 10,810.88 × 2,012.72
  4. Step 4: Simplify right side
    7,208.08x = 21,759,274.39
  5. Step 5: Solve for x
    x = 21,759,274.39/7,208.08
  6. Step 6: Final answer
    x = 3,018.73

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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.