Home / 7,241.21-9,990.55-4,054.04

Finding the Fourth Proportional to 7,241.21, 9,990.55 and 4,054.04

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Solution

The fourth proportional to 7,241.21, 9,990.55 and 4,054.04 is: 5,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.21 : 9,990.55 = 4,054.04 : x
  2. Step 2: Convert to fraction form
    7,241.21/9,990.55 = 4,054.04/x
  3. Step 3: Cross multiply
    7,241.21x = 9,990.55 × 4,054.04
  4. Step 4: Simplify right side
    7,241.21x = 40,502,019.10
  5. Step 5: Solve for x
    x = 40,502,019.10/7,241.21
  6. Step 6: Final answer
    x = 5,593.27

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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.