Home / 5,821.47-8,731.13-1,925.37

Finding the Fourth Proportional to 5,821.47, 8,731.13 and 1,925.37

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Solution

The fourth proportional to 5,821.47, 8,731.13 and 1,925.37 is: 2,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.47 : 8,731.13 = 1,925.37 : x
  2. Step 2: Convert to fraction form
    5,821.47/8,731.13 = 1,925.37/x
  3. Step 3: Cross multiply
    5,821.47x = 8,731.13 × 1,925.37
  4. Step 4: Simplify right side
    5,821.47x = 16,810,646.14
  5. Step 5: Solve for x
    x = 16,810,646.14/5,821.47
  6. Step 6: Final answer
    x = 2,887.70

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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.