Home / 5,161.93-7,115.65-3,169.02

Finding the Fourth Proportional to 5,161.93, 7,115.65 and 3,169.02

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Solution

The fourth proportional to 5,161.93, 7,115.65 and 3,169.02 is: 4,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.93 : 7,115.65 = 3,169.02 : x
  2. Step 2: Convert to fraction form
    5,161.93/7,115.65 = 3,169.02/x
  3. Step 3: Cross multiply
    5,161.93x = 7,115.65 × 3,169.02
  4. Step 4: Simplify right side
    5,161.93x = 22,549,655.92
  5. Step 5: Solve for x
    x = 22,549,655.92/5,161.93
  6. Step 6: Final answer
    x = 4,368.46

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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.