Home / 5,428.65-8,140.14-2,504.46

Finding the Fourth Proportional to 5,428.65, 8,140.14 and 2,504.46

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Solution

The fourth proportional to 5,428.65, 8,140.14 and 2,504.46 is: 3,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.65 : 8,140.14 = 2,504.46 : x
  2. Step 2: Convert to fraction form
    5,428.65/8,140.14 = 2,504.46/x
  3. Step 3: Cross multiply
    5,428.65x = 8,140.14 × 2,504.46
  4. Step 4: Simplify right side
    5,428.65x = 20,386,655.02
  5. Step 5: Solve for x
    x = 20,386,655.02/5,428.65
  6. Step 6: Final answer
    x = 3,755.38

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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.