Home / 8,124.48-12,180.18-5,040

Finding the Fourth Proportional to 8,124.48, 12,180.18 and 5,040

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Solution

The fourth proportional to 8,124.48, 12,180.18 and 5,040 is: 7,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.48 : 12,180.18 = 5,040 : x
  2. Step 2: Convert to fraction form
    8,124.48/12,180.18 = 5,040/x
  3. Step 3: Cross multiply
    8,124.48x = 12,180.18 × 5,040
  4. Step 4: Simplify right side
    8,124.48x = 61,388,107.20
  5. Step 5: Solve for x
    x = 61,388,107.20/8,124.48
  6. Step 6: Final answer
    x = 7,555.94

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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.