Home / 6,181.60-9,272.40-5,490.40

Finding the Fourth Proportional to 6,181.60, 9,272.40 and 5,490.40

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Solution

The fourth proportional to 6,181.60, 9,272.40 and 5,490.40 is: 8,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.60 : 9,272.40 = 5,490.40 : x
  2. Step 2: Convert to fraction form
    6,181.60/9,272.40 = 5,490.40/x
  3. Step 3: Cross multiply
    6,181.60x = 9,272.40 × 5,490.40
  4. Step 4: Simplify right side
    6,181.60x = 50,909,184.96
  5. Step 5: Solve for x
    x = 50,909,184.96/6,181.60
  6. Step 6: Final answer
    x = 8,235.60

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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.