Home / 6,619.64-9,931.26-2,461.88

Finding the Fourth Proportional to 6,619.64, 9,931.26 and 2,461.88

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Solution

The fourth proportional to 6,619.64, 9,931.26 and 2,461.88 is: 3,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.64 : 9,931.26 = 2,461.88 : x
  2. Step 2: Convert to fraction form
    6,619.64/9,931.26 = 2,461.88/x
  3. Step 3: Cross multiply
    6,619.64x = 9,931.26 × 2,461.88
  4. Step 4: Simplify right side
    6,619.64x = 24,449,570.37
  5. Step 5: Solve for x
    x = 24,449,570.37/6,619.64
  6. Step 6: Final answer
    x = 3,693.49

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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.