Home / 9,631.60-14,440.20-4,080.40

Finding the Fourth Proportional to 9,631.60, 14,440.20 and 4,080.40

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Solution

The fourth proportional to 9,631.60, 14,440.20 and 4,080.40 is: 6,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.60 : 14,440.20 = 4,080.40 : x
  2. Step 2: Convert to fraction form
    9,631.60/14,440.20 = 4,080.40/x
  3. Step 3: Cross multiply
    9,631.60x = 14,440.20 × 4,080.40
  4. Step 4: Simplify right side
    9,631.60x = 58,921,792.08
  5. Step 5: Solve for x
    x = 58,921,792.08/9,631.60
  6. Step 6: Final answer
    x = 6,117.55

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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.