Home / 5,459.16-8,189.82-2,173.80

Finding the Fourth Proportional to 5,459.16, 8,189.82 and 2,173.80

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Solution

The fourth proportional to 5,459.16, 8,189.82 and 2,173.80 is: 3,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.16 : 8,189.82 = 2,173.80 : x
  2. Step 2: Convert to fraction form
    5,459.16/8,189.82 = 2,173.80/x
  3. Step 3: Cross multiply
    5,459.16x = 8,189.82 × 2,173.80
  4. Step 4: Simplify right side
    5,459.16x = 17,803,030.72
  5. Step 5: Solve for x
    x = 17,803,030.72/5,459.16
  6. Step 6: Final answer
    x = 3,261.13

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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.