Home / 8,532.38-12,804.34-2,985.77

Finding the Fourth Proportional to 8,532.38, 12,804.34 and 2,985.77

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Solution

The fourth proportional to 8,532.38, 12,804.34 and 2,985.77 is: 4,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.38 : 12,804.34 = 2,985.77 : x
  2. Step 2: Convert to fraction form
    8,532.38/12,804.34 = 2,985.77/x
  3. Step 3: Cross multiply
    8,532.38x = 12,804.34 × 2,985.77
  4. Step 4: Simplify right side
    8,532.38x = 38,230,875.54
  5. Step 5: Solve for x
    x = 38,230,875.54/8,532.38
  6. Step 6: Final answer
    x = 4,480.68

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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.