Home / 7,627.55-11,437.02-3,181.56

Finding the Fourth Proportional to 7,627.55, 11,437.02 and 3,181.56

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Solution

The fourth proportional to 7,627.55, 11,437.02 and 3,181.56 is: 4,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.55 : 11,437.02 = 3,181.56 : x
  2. Step 2: Convert to fraction form
    7,627.55/11,437.02 = 3,181.56/x
  3. Step 3: Cross multiply
    7,627.55x = 11,437.02 × 3,181.56
  4. Step 4: Simplify right side
    7,627.55x = 36,387,565.35
  5. Step 5: Solve for x
    x = 36,387,565.35/7,627.55
  6. Step 6: Final answer
    x = 4,770.55

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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.