Home / 6,129.83-8,459.08-3,612.05

Finding the Fourth Proportional to 6,129.83, 8,459.08 and 3,612.05

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Solution

The fourth proportional to 6,129.83, 8,459.08 and 3,612.05 is: 4,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.83 : 8,459.08 = 3,612.05 : x
  2. Step 2: Convert to fraction form
    6,129.83/8,459.08 = 3,612.05/x
  3. Step 3: Cross multiply
    6,129.83x = 8,459.08 × 3,612.05
  4. Step 4: Simplify right side
    6,129.83x = 30,554,577.62
  5. Step 5: Solve for x
    x = 30,554,577.62/6,129.83
  6. Step 6: Final answer
    x = 4,984.58

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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.