Home / 6,129.90-8,459.24-3,477.69

Finding the Fourth Proportional to 6,129.90, 8,459.24 and 3,477.69

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Solution

The fourth proportional to 6,129.90, 8,459.24 and 3,477.69 is: 4,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.90 : 8,459.24 = 3,477.69 : x
  2. Step 2: Convert to fraction form
    6,129.90/8,459.24 = 3,477.69/x
  3. Step 3: Cross multiply
    6,129.90x = 8,459.24 × 3,477.69
  4. Step 4: Simplify right side
    6,129.90x = 29,418,596.97
  5. Step 5: Solve for x
    x = 29,418,596.97/6,129.90
  6. Step 6: Final answer
    x = 4,799.20

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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.