Home / 5,264.17-7,890.76-2,142.93

Finding the Fourth Proportional to 5,264.17, 7,890.76 and 2,142.93

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Solution

The fourth proportional to 5,264.17, 7,890.76 and 2,142.93 is: 3,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.17 : 7,890.76 = 2,142.93 : x
  2. Step 2: Convert to fraction form
    5,264.17/7,890.76 = 2,142.93/x
  3. Step 3: Cross multiply
    5,264.17x = 7,890.76 × 2,142.93
  4. Step 4: Simplify right side
    5,264.17x = 16,909,346.33
  5. Step 5: Solve for x
    x = 16,909,346.33/5,264.17
  6. Step 6: Final answer
    x = 3,212.16

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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.