Home / 7,461.68-11,181.62-6,641.60

Finding the Fourth Proportional to 7,461.68, 11,181.62 and 6,641.60

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Solution

The fourth proportional to 7,461.68, 11,181.62 and 6,641.60 is: 9,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.68 : 11,181.62 = 6,641.60 : x
  2. Step 2: Convert to fraction form
    7,461.68/11,181.62 = 6,641.60/x
  3. Step 3: Cross multiply
    7,461.68x = 11,181.62 × 6,641.60
  4. Step 4: Simplify right side
    7,461.68x = 74,263,847.39
  5. Step 5: Solve for x
    x = 74,263,847.39/7,461.68
  6. Step 6: Final answer
    x = 9,952.70

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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.