Home / 6,789.81-10,184.26-1,859.49

Finding the Fourth Proportional to 6,789.81, 10,184.26 and 1,859.49

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Solution

The fourth proportional to 6,789.81, 10,184.26 and 1,859.49 is: 2,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.81 : 10,184.26 = 1,859.49 : x
  2. Step 2: Convert to fraction form
    6,789.81/10,184.26 = 1,859.49/x
  3. Step 3: Cross multiply
    6,789.81x = 10,184.26 × 1,859.49
  4. Step 4: Simplify right side
    6,789.81x = 18,937,529.63
  5. Step 5: Solve for x
    x = 18,937,529.63/6,789.81
  6. Step 6: Final answer
    x = 2,789.11

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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.