Home / 7,468.31-11,190.13-4,339.53

Finding the Fourth Proportional to 7,468.31, 11,190.13 and 4,339.53

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Solution

The fourth proportional to 7,468.31, 11,190.13 and 4,339.53 is: 6,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.31 : 11,190.13 = 4,339.53 : x
  2. Step 2: Convert to fraction form
    7,468.31/11,190.13 = 4,339.53/x
  3. Step 3: Cross multiply
    7,468.31x = 11,190.13 × 4,339.53
  4. Step 4: Simplify right side
    7,468.31x = 48,559,918.40
  5. Step 5: Solve for x
    x = 48,559,918.40/7,468.31
  6. Step 6: Final answer
    x = 6,502.13

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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.