Home / 5,460.80-8,191.14-2,338.16

Finding the Fourth Proportional to 5,460.80, 8,191.14 and 2,338.16

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Solution

The fourth proportional to 5,460.80, 8,191.14 and 2,338.16 is: 3,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.80 : 8,191.14 = 2,338.16 : x
  2. Step 2: Convert to fraction form
    5,460.80/8,191.14 = 2,338.16/x
  3. Step 3: Cross multiply
    5,460.80x = 8,191.14 × 2,338.16
  4. Step 4: Simplify right side
    5,460.80x = 19,152,195.90
  5. Step 5: Solve for x
    x = 19,152,195.90/5,460.80
  6. Step 6: Final answer
    x = 3,507.21

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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.