Home / 4,338.09-6,507.90-1,872.81

Finding the Fourth Proportional to 4,338.09, 6,507.90 and 1,872.81

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Solution

The fourth proportional to 4,338.09, 6,507.90 and 1,872.81 is: 2,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.09 : 6,507.90 = 1,872.81 : x
  2. Step 2: Convert to fraction form
    4,338.09/6,507.90 = 1,872.81/x
  3. Step 3: Cross multiply
    4,338.09x = 6,507.90 × 1,872.81
  4. Step 4: Simplify right side
    4,338.09x = 12,188,060.20
  5. Step 5: Solve for x
    x = 12,188,060.20/4,338.09
  6. Step 6: Final answer
    x = 2,809.55

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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.