Home / 5,459.13-8,187.48-2,171.34

Finding the Fourth Proportional to 5,459.13, 8,187.48 and 2,171.34

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Solution

The fourth proportional to 5,459.13, 8,187.48 and 2,171.34 is: 3,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.13 : 8,187.48 = 2,171.34 : x
  2. Step 2: Convert to fraction form
    5,459.13/8,187.48 = 2,171.34/x
  3. Step 3: Cross multiply
    5,459.13x = 8,187.48 × 2,171.34
  4. Step 4: Simplify right side
    5,459.13x = 17,777,802.82
  5. Step 5: Solve for x
    x = 17,777,802.82/5,459.13
  6. Step 6: Final answer
    x = 3,256.53

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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.