Home / 5,458.61-8,180.10-3,113.77

Finding the Fourth Proportional to 5,458.61, 8,180.10 and 3,113.77

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Solution

The fourth proportional to 5,458.61, 8,180.10 and 3,113.77 is: 4,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.61 : 8,180.10 = 3,113.77 : x
  2. Step 2: Convert to fraction form
    5,458.61/8,180.10 = 3,113.77/x
  3. Step 3: Cross multiply
    5,458.61x = 8,180.10 × 3,113.77
  4. Step 4: Simplify right side
    5,458.61x = 25,470,929.53
  5. Step 5: Solve for x
    x = 25,470,929.53/5,458.61
  6. Step 6: Final answer
    x = 4,666.19

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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.