Home / 6,789.47-9,368.70-3,804.87

Finding the Fourth Proportional to 6,789.47, 9,368.70 and 3,804.87

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Solution

The fourth proportional to 6,789.47, 9,368.70 and 3,804.87 is: 5,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.47 : 9,368.70 = 3,804.87 : x
  2. Step 2: Convert to fraction form
    6,789.47/9,368.70 = 3,804.87/x
  3. Step 3: Cross multiply
    6,789.47x = 9,368.70 × 3,804.87
  4. Step 4: Simplify right side
    6,789.47x = 35,646,685.57
  5. Step 5: Solve for x
    x = 35,646,685.57/6,789.47
  6. Step 6: Final answer
    x = 5,250.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.