Home / 5,154.48-7,731.45-1,822.50

Finding the Fourth Proportional to 5,154.48, 7,731.45 and 1,822.50

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Solution

The fourth proportional to 5,154.48, 7,731.45 and 1,822.50 is: 2,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.48 : 7,731.45 = 1,822.50 : x
  2. Step 2: Convert to fraction form
    5,154.48/7,731.45 = 1,822.50/x
  3. Step 3: Cross multiply
    5,154.48x = 7,731.45 × 1,822.50
  4. Step 4: Simplify right side
    5,154.48x = 14,090,567.63
  5. Step 5: Solve for x
    x = 14,090,567.63/5,154.48
  6. Step 6: Final answer
    x = 2,733.65

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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.