Home / 7,106.28-10,659.45-1,840.92

Finding the Fourth Proportional to 7,106.28, 10,659.45 and 1,840.92

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Solution

The fourth proportional to 7,106.28, 10,659.45 and 1,840.92 is: 2,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.28 : 10,659.45 = 1,840.92 : x
  2. Step 2: Convert to fraction form
    7,106.28/10,659.45 = 1,840.92/x
  3. Step 3: Cross multiply
    7,106.28x = 10,659.45 × 1,840.92
  4. Step 4: Simplify right side
    7,106.28x = 19,623,194.69
  5. Step 5: Solve for x
    x = 19,623,194.69/7,106.28
  6. Step 6: Final answer
    x = 2,761.39

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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.