Home / 6,800.06-10,200.45-1,869.59

Finding the Fourth Proportional to 6,800.06, 10,200.45 and 1,869.59

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Solution

The fourth proportional to 6,800.06, 10,200.45 and 1,869.59 is: 2,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.06 : 10,200.45 = 1,869.59 : x
  2. Step 2: Convert to fraction form
    6,800.06/10,200.45 = 1,869.59/x
  3. Step 3: Cross multiply
    6,800.06x = 10,200.45 × 1,869.59
  4. Step 4: Simplify right side
    6,800.06x = 19,070,659.32
  5. Step 5: Solve for x
    x = 19,070,659.32/6,800.06
  6. Step 6: Final answer
    x = 2,804.48

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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.