Home / 5,104.05-7,656.07-1,406.31

Finding the Fourth Proportional to 5,104.05, 7,656.07 and 1,406.31

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Solution

The fourth proportional to 5,104.05, 7,656.07 and 1,406.31 is: 2,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.05 : 7,656.07 = 1,406.31 : x
  2. Step 2: Convert to fraction form
    5,104.05/7,656.07 = 1,406.31/x
  3. Step 3: Cross multiply
    5,104.05x = 7,656.07 × 1,406.31
  4. Step 4: Simplify right side
    5,104.05x = 10,766,807.80
  5. Step 5: Solve for x
    x = 10,766,807.80/5,104.05
  6. Step 6: Final answer
    x = 2,109.47

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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.