Home / 7,206.91-10,810.40-2,012.78

Finding the Fourth Proportional to 7,206.91, 10,810.40 and 2,012.78

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Solution

The fourth proportional to 7,206.91, 10,810.40 and 2,012.78 is: 3,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.91 : 10,810.40 = 2,012.78 : x
  2. Step 2: Convert to fraction form
    7,206.91/10,810.40 = 2,012.78/x
  3. Step 3: Cross multiply
    7,206.91x = 10,810.40 × 2,012.78
  4. Step 4: Simplify right side
    7,206.91x = 21,758,973.87
  5. Step 5: Solve for x
    x = 21,758,973.87/7,206.91
  6. Step 6: Final answer
    x = 3,019.18

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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.