Home / 5,182.16-7,775.36-3,802.52

Finding the Fourth Proportional to 5,182.16, 7,775.36 and 3,802.52

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Solution

The fourth proportional to 5,182.16, 7,775.36 and 3,802.52 is: 5,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.16 : 7,775.36 = 3,802.52 : x
  2. Step 2: Convert to fraction form
    5,182.16/7,775.36 = 3,802.52/x
  3. Step 3: Cross multiply
    5,182.16x = 7,775.36 × 3,802.52
  4. Step 4: Simplify right side
    5,182.16x = 29,565,961.91
  5. Step 5: Solve for x
    x = 29,565,961.91/5,182.16
  6. Step 6: Final answer
    x = 5,705.34

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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.