Home / 5,285.16-7,291.62-3,188.52

Finding the Fourth Proportional to 5,285.16, 7,291.62 and 3,188.52

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Solution

The fourth proportional to 5,285.16, 7,291.62 and 3,188.52 is: 4,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.16 : 7,291.62 = 3,188.52 : x
  2. Step 2: Convert to fraction form
    5,285.16/7,291.62 = 3,188.52/x
  3. Step 3: Cross multiply
    5,285.16x = 7,291.62 × 3,188.52
  4. Step 4: Simplify right side
    5,285.16x = 23,249,476.20
  5. Step 5: Solve for x
    x = 23,249,476.20/5,285.16
  6. Step 6: Final answer
    x = 4,399.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.