Home / 7,837.29-10,815.80-4,692.87

Finding the Fourth Proportional to 7,837.29, 10,815.80 and 4,692.87

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Solution

The fourth proportional to 7,837.29, 10,815.80 and 4,692.87 is: 6,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.29 : 10,815.80 = 4,692.87 : x
  2. Step 2: Convert to fraction form
    7,837.29/10,815.80 = 4,692.87/x
  3. Step 3: Cross multiply
    7,837.29x = 10,815.80 × 4,692.87
  4. Step 4: Simplify right side
    7,837.29x = 50,757,119.88
  5. Step 5: Solve for x
    x = 50,757,119.88/7,837.29
  6. Step 6: Final answer
    x = 6,476.36

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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.