Home / 7,177.65-10,767.02-1,912.64

Finding the Fourth Proportional to 7,177.65, 10,767.02 and 1,912.64

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Solution

The fourth proportional to 7,177.65, 10,767.02 and 1,912.64 is: 2,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.65 : 10,767.02 = 1,912.64 : x
  2. Step 2: Convert to fraction form
    7,177.65/10,767.02 = 1,912.64/x
  3. Step 3: Cross multiply
    7,177.65x = 10,767.02 × 1,912.64
  4. Step 4: Simplify right side
    7,177.65x = 20,593,464.83
  5. Step 5: Solve for x
    x = 20,593,464.83/7,177.65
  6. Step 6: Final answer
    x = 2,869.11

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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.