Home / 7,631.60-10,520.52-6,302.96

Finding the Fourth Proportional to 7,631.60, 10,520.52 and 6,302.96

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Solution

The fourth proportional to 7,631.60, 10,520.52 and 6,302.96 is: 8,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.60 : 10,520.52 = 6,302.96 : x
  2. Step 2: Convert to fraction form
    7,631.60/10,520.52 = 6,302.96/x
  3. Step 3: Cross multiply
    7,631.60x = 10,520.52 × 6,302.96
  4. Step 4: Simplify right side
    7,631.60x = 66,310,416.74
  5. Step 5: Solve for x
    x = 66,310,416.74/7,631.60
  6. Step 6: Final answer
    x = 8,688.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.