Home / 6,748.48-10,122.72-3,459.48

Finding the Fourth Proportional to 6,748.48, 10,122.72 and 3,459.48

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Solution

The fourth proportional to 6,748.48, 10,122.72 and 3,459.48 is: 5,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.48 : 10,122.72 = 3,459.48 : x
  2. Step 2: Convert to fraction form
    6,748.48/10,122.72 = 3,459.48/x
  3. Step 3: Cross multiply
    6,748.48x = 10,122.72 × 3,459.48
  4. Step 4: Simplify right side
    6,748.48x = 35,019,296.77
  5. Step 5: Solve for x
    x = 35,019,296.77/6,748.48
  6. Step 6: Final answer
    x = 5,189.21

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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.