Home / 8,583.30-12,854.55-4,186.62

Finding the Fourth Proportional to 8,583.30, 12,854.55 and 4,186.62

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Solution

The fourth proportional to 8,583.30, 12,854.55 and 4,186.62 is: 6,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.30 : 12,854.55 = 4,186.62 : x
  2. Step 2: Convert to fraction form
    8,583.30/12,854.55 = 4,186.62/x
  3. Step 3: Cross multiply
    8,583.30x = 12,854.55 × 4,186.62
  4. Step 4: Simplify right side
    8,583.30x = 53,817,116.12
  5. Step 5: Solve for x
    x = 53,817,116.12/8,583.30
  6. Step 6: Final answer
    x = 6,269.98

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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.