Home / 5,218.83-7,829.52-1,521.10

Finding the Fourth Proportional to 5,218.83, 7,829.52 and 1,521.10

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Solution

The fourth proportional to 5,218.83, 7,829.52 and 1,521.10 is: 2,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.83 : 7,829.52 = 1,521.10 : x
  2. Step 2: Convert to fraction form
    5,218.83/7,829.52 = 1,521.10/x
  3. Step 3: Cross multiply
    5,218.83x = 7,829.52 × 1,521.10
  4. Step 4: Simplify right side
    5,218.83x = 11,909,463.30
  5. Step 5: Solve for x
    x = 11,909,463.30/5,218.83
  6. Step 6: Final answer
    x = 2,282.02

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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.