Home / 7,563.60-11,339.28-2,880.72

Finding the Fourth Proportional to 7,563.60, 11,339.28 and 2,880.72

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Solution

The fourth proportional to 7,563.60, 11,339.28 and 2,880.72 is: 4,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.60 : 11,339.28 = 2,880.72 : x
  2. Step 2: Convert to fraction form
    7,563.60/11,339.28 = 2,880.72/x
  3. Step 3: Cross multiply
    7,563.60x = 11,339.28 × 2,880.72
  4. Step 4: Simplify right side
    7,563.60x = 32,665,290.68
  5. Step 5: Solve for x
    x = 32,665,290.68/7,563.60
  6. Step 6: Final answer
    x = 4,318.75

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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.