Home / 3,914.13-5,871.47-1,140.83

Finding the Fourth Proportional to 3,914.13, 5,871.47 and 1,140.83

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Solution

The fourth proportional to 3,914.13, 5,871.47 and 1,140.83 is: 1,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.13 : 5,871.47 = 1,140.83 : x
  2. Step 2: Convert to fraction form
    3,914.13/5,871.47 = 1,140.83/x
  3. Step 3: Cross multiply
    3,914.13x = 5,871.47 × 1,140.83
  4. Step 4: Simplify right side
    3,914.13x = 6,698,349.12
  5. Step 5: Solve for x
    x = 6,698,349.12/3,914.13
  6. Step 6: Final answer
    x = 1,711.33

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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.