Home / 7,760.60-11,642.64-2,830.24

Finding the Fourth Proportional to 7,760.60, 11,642.64 and 2,830.24

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Solution

The fourth proportional to 7,760.60, 11,642.64 and 2,830.24 is: 4,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.60 : 11,642.64 = 2,830.24 : x
  2. Step 2: Convert to fraction form
    7,760.60/11,642.64 = 2,830.24/x
  3. Step 3: Cross multiply
    7,760.60x = 11,642.64 × 2,830.24
  4. Step 4: Simplify right side
    7,760.60x = 32,951,499.95
  5. Step 5: Solve for x
    x = 32,951,499.95/7,760.60
  6. Step 6: Final answer
    x = 4,246.00

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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.