Home / 8,583.12-12,874.02-3,320.64

Finding the Fourth Proportional to 8,583.12, 12,874.02 and 3,320.64

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Solution

The fourth proportional to 8,583.12, 12,874.02 and 3,320.64 is: 4,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.12 : 12,874.02 = 3,320.64 : x
  2. Step 2: Convert to fraction form
    8,583.12/12,874.02 = 3,320.64/x
  3. Step 3: Cross multiply
    8,583.12x = 12,874.02 × 3,320.64
  4. Step 4: Simplify right side
    8,583.12x = 42,749,985.77
  5. Step 5: Solve for x
    x = 42,749,985.77/8,583.12
  6. Step 6: Final answer
    x = 4,980.70

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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.