Home / 7,090.12-10,623.66-4,171.08

Finding the Fourth Proportional to 7,090.12, 10,623.66 and 4,171.08

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Solution

The fourth proportional to 7,090.12, 10,623.66 and 4,171.08 is: 6,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.12 : 10,623.66 = 4,171.08 : x
  2. Step 2: Convert to fraction form
    7,090.12/10,623.66 = 4,171.08/x
  3. Step 3: Cross multiply
    7,090.12x = 10,623.66 × 4,171.08
  4. Step 4: Simplify right side
    7,090.12x = 44,312,135.75
  5. Step 5: Solve for x
    x = 44,312,135.75/7,090.12
  6. Step 6: Final answer
    x = 6,249.84

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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.