Home / 8,239.16-12,360.36-3,045.08

Finding the Fourth Proportional to 8,239.16, 12,360.36 and 3,045.08

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Solution

The fourth proportional to 8,239.16, 12,360.36 and 3,045.08 is: 4,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.16 : 12,360.36 = 3,045.08 : x
  2. Step 2: Convert to fraction form
    8,239.16/12,360.36 = 3,045.08/x
  3. Step 3: Cross multiply
    8,239.16x = 12,360.36 × 3,045.08
  4. Step 4: Simplify right side
    8,239.16x = 37,638,285.03
  5. Step 5: Solve for x
    x = 37,638,285.03/8,239.16
  6. Step 6: Final answer
    x = 4,568.22

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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.