Home / 8,485.27-12,714.91-4,319.03

Finding the Fourth Proportional to 8,485.27, 12,714.91 and 4,319.03

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Solution

The fourth proportional to 8,485.27, 12,714.91 and 4,319.03 is: 6,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.27 : 12,714.91 = 4,319.03 : x
  2. Step 2: Convert to fraction form
    8,485.27/12,714.91 = 4,319.03/x
  3. Step 3: Cross multiply
    8,485.27x = 12,714.91 × 4,319.03
  4. Step 4: Simplify right side
    8,485.27x = 54,916,098.73
  5. Step 5: Solve for x
    x = 54,916,098.73/8,485.27
  6. Step 6: Final answer
    x = 6,471.93

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1.5x scale

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.