Home / 6,181.72-8,530.65-3,528.92

Finding the Fourth Proportional to 6,181.72, 8,530.65 and 3,528.92

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Solution

The fourth proportional to 6,181.72, 8,530.65 and 3,528.92 is: 4,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.72 : 8,530.65 = 3,528.92 : x
  2. Step 2: Convert to fraction form
    6,181.72/8,530.65 = 3,528.92/x
  3. Step 3: Cross multiply
    6,181.72x = 8,530.65 × 3,528.92
  4. Step 4: Simplify right side
    6,181.72x = 30,104,002.72
  5. Step 5: Solve for x
    x = 30,104,002.72/6,181.72
  6. Step 6: Final answer
    x = 4,869.84

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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.