Home / 5,614.08-7,745.04-4,119.40

Finding the Fourth Proportional to 5,614.08, 7,745.04 and 4,119.40

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Solution

The fourth proportional to 5,614.08, 7,745.04 and 4,119.40 is: 5,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.08 : 7,745.04 = 4,119.40 : x
  2. Step 2: Convert to fraction form
    5,614.08/7,745.04 = 4,119.40/x
  3. Step 3: Cross multiply
    5,614.08x = 7,745.04 × 4,119.40
  4. Step 4: Simplify right side
    5,614.08x = 31,904,917.78
  5. Step 5: Solve for x
    x = 31,904,917.78/5,614.08
  6. Step 6: Final answer
    x = 5,683.02

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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.