Home / 7,615.60-11,423.48-3,230.32

Finding the Fourth Proportional to 7,615.60, 11,423.48 and 3,230.32

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Solution

The fourth proportional to 7,615.60, 11,423.48 and 3,230.32 is: 4,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.60 : 11,423.48 = 3,230.32 : x
  2. Step 2: Convert to fraction form
    7,615.60/11,423.48 = 3,230.32/x
  3. Step 3: Cross multiply
    7,615.60x = 11,423.48 × 3,230.32
  4. Step 4: Simplify right side
    7,615.60x = 36,901,495.91
  5. Step 5: Solve for x
    x = 36,901,495.91/7,615.60
  6. Step 6: Final answer
    x = 4,845.51

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1.5x scale

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.