Home / 7,642.20-11,463.30-2,448.60

Finding the Fourth Proportional to 7,642.20, 11,463.30 and 2,448.60

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Solution

The fourth proportional to 7,642.20, 11,463.30 and 2,448.60 is: 3,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.20 : 11,463.30 = 2,448.60 : x
  2. Step 2: Convert to fraction form
    7,642.20/11,463.30 = 2,448.60/x
  3. Step 3: Cross multiply
    7,642.20x = 11,463.30 × 2,448.60
  4. Step 4: Simplify right side
    7,642.20x = 28,069,036.38
  5. Step 5: Solve for x
    x = 28,069,036.38/7,642.20
  6. Step 6: Final answer
    x = 3,672.90

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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.