Home / 8,430.64-12,651.60-3,500.28

Finding the Fourth Proportional to 8,430.64, 12,651.60 and 3,500.28

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Solution

The fourth proportional to 8,430.64, 12,651.60 and 3,500.28 is: 5,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.64 : 12,651.60 = 3,500.28 : x
  2. Step 2: Convert to fraction form
    8,430.64/12,651.60 = 3,500.28/x
  3. Step 3: Cross multiply
    8,430.64x = 12,651.60 × 3,500.28
  4. Step 4: Simplify right side
    8,430.64x = 44,284,124.95
  5. Step 5: Solve for x
    x = 44,284,124.95/8,430.64
  6. Step 6: Final answer
    x = 5,252.76

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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.