Home / 6,181.28-8,530.96-3,528.08

Finding the Fourth Proportional to 6,181.28, 8,530.96 and 3,528.08

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Solution

The fourth proportional to 6,181.28, 8,530.96 and 3,528.08 is: 4,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.28 : 8,530.96 = 3,528.08 : x
  2. Step 2: Convert to fraction form
    6,181.28/8,530.96 = 3,528.08/x
  3. Step 3: Cross multiply
    6,181.28x = 8,530.96 × 3,528.08
  4. Step 4: Simplify right side
    6,181.28x = 30,097,909.36
  5. Step 5: Solve for x
    x = 30,097,909.36/6,181.28
  6. Step 6: Final answer
    x = 4,869.20

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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.