Home / 8,304.64-12,455.60-2,459.92

Finding the Fourth Proportional to 8,304.64, 12,455.60 and 2,459.92

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Solution

The fourth proportional to 8,304.64, 12,455.60 and 2,459.92 is: 3,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.64 : 12,455.60 = 2,459.92 : x
  2. Step 2: Convert to fraction form
    8,304.64/12,455.60 = 2,459.92/x
  3. Step 3: Cross multiply
    8,304.64x = 12,455.60 × 2,459.92
  4. Step 4: Simplify right side
    8,304.64x = 30,639,779.55
  5. Step 5: Solve for x
    x = 30,639,779.55/8,304.64
  6. Step 6: Final answer
    x = 3,689.48

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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.