Home / 5,271.41-7,900.80-2,456.45

Finding the Fourth Proportional to 5,271.41, 7,900.80 and 2,456.45

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Solution

The fourth proportional to 5,271.41, 7,900.80 and 2,456.45 is: 3,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.41 : 7,900.80 = 2,456.45 : x
  2. Step 2: Convert to fraction form
    5,271.41/7,900.80 = 2,456.45/x
  3. Step 3: Cross multiply
    5,271.41x = 7,900.80 × 2,456.45
  4. Step 4: Simplify right side
    5,271.41x = 19,407,920.16
  5. Step 5: Solve for x
    x = 19,407,920.16/5,271.41
  6. Step 6: Final answer
    x = 3,681.73

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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.