Home / 4,428.46-6,642.69-2,087.02

Finding the Fourth Proportional to 4,428.46, 6,642.69 and 2,087.02

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Solution

The fourth proportional to 4,428.46, 6,642.69 and 2,087.02 is: 3,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.46 : 6,642.69 = 2,087.02 : x
  2. Step 2: Convert to fraction form
    4,428.46/6,642.69 = 2,087.02/x
  3. Step 3: Cross multiply
    4,428.46x = 6,642.69 × 2,087.02
  4. Step 4: Simplify right side
    4,428.46x = 13,863,426.88
  5. Step 5: Solve for x
    x = 13,863,426.88/4,428.46
  6. Step 6: Final answer
    x = 3,130.53

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Similar ratio
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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.