Home / 7,490.08-11,237.80-3,214

Finding the Fourth Proportional to 7,490.08, 11,237.80 and 3,214

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Solution

The fourth proportional to 7,490.08, 11,237.80 and 3,214 is: 4,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.08 : 11,237.80 = 3,214 : x
  2. Step 2: Convert to fraction form
    7,490.08/11,237.80 = 3,214/x
  3. Step 3: Cross multiply
    7,490.08x = 11,237.80 × 3,214
  4. Step 4: Simplify right side
    7,490.08x = 36,118,289.20
  5. Step 5: Solve for x
    x = 36,118,289.20/7,490.08
  6. Step 6: Final answer
    x = 4,822.15

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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.