Home / 5,248.37-7,242.83-2,890.50

Finding the Fourth Proportional to 5,248.37, 7,242.83 and 2,890.50

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Solution

The fourth proportional to 5,248.37, 7,242.83 and 2,890.50 is: 3,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.37 : 7,242.83 = 2,890.50 : x
  2. Step 2: Convert to fraction form
    5,248.37/7,242.83 = 2,890.50/x
  3. Step 3: Cross multiply
    5,248.37x = 7,242.83 × 2,890.50
  4. Step 4: Simplify right side
    5,248.37x = 20,935,385.66
  5. Step 5: Solve for x
    x = 20,935,385.66/5,248.37
  6. Step 6: Final answer
    x = 3,988.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.