Home / 5,354.51-8,031.83-1,458.95

Finding the Fourth Proportional to 5,354.51, 8,031.83 and 1,458.95

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Solution

The fourth proportional to 5,354.51, 8,031.83 and 1,458.95 is: 2,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.51 : 8,031.83 = 1,458.95 : x
  2. Step 2: Convert to fraction form
    5,354.51/8,031.83 = 1,458.95/x
  3. Step 3: Cross multiply
    5,354.51x = 8,031.83 × 1,458.95
  4. Step 4: Simplify right side
    5,354.51x = 11,717,990.92
  5. Step 5: Solve for x
    x = 11,717,990.92/5,354.51
  6. Step 6: Final answer
    x = 2,188.44

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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.