Home / 4,265.60-6,403.52-2,729.60

Finding the Fourth Proportional to 4,265.60, 6,403.52 and 2,729.60

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Solution

The fourth proportional to 4,265.60, 6,403.52 and 2,729.60 is: 4,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.60 : 6,403.52 = 2,729.60 : x
  2. Step 2: Convert to fraction form
    4,265.60/6,403.52 = 2,729.60/x
  3. Step 3: Cross multiply
    4,265.60x = 6,403.52 × 2,729.60
  4. Step 4: Simplify right side
    4,265.60x = 17,479,048.19
  5. Step 5: Solve for x
    x = 17,479,048.19/4,265.60
  6. Step 6: Final answer
    x = 4,097.68

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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.