Home / 8,537.76-12,798.96-4,421.28

Finding the Fourth Proportional to 8,537.76, 12,798.96 and 4,421.28

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Solution

The fourth proportional to 8,537.76, 12,798.96 and 4,421.28 is: 6,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.76 : 12,798.96 = 4,421.28 : x
  2. Step 2: Convert to fraction form
    8,537.76/12,798.96 = 4,421.28/x
  3. Step 3: Cross multiply
    8,537.76x = 12,798.96 × 4,421.28
  4. Step 4: Simplify right side
    8,537.76x = 56,587,785.87
  5. Step 5: Solve for x
    x = 56,587,785.87/8,537.76
  6. Step 6: Final answer
    x = 6,627.94

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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.