Home / 7,557.60-11,336.40-3,453.60

Finding the Fourth Proportional to 7,557.60, 11,336.40 and 3,453.60

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Solution

The fourth proportional to 7,557.60, 11,336.40 and 3,453.60 is: 5,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.60 : 11,336.40 = 3,453.60 : x
  2. Step 2: Convert to fraction form
    7,557.60/11,336.40 = 3,453.60/x
  3. Step 3: Cross multiply
    7,557.60x = 11,336.40 × 3,453.60
  4. Step 4: Simplify right side
    7,557.60x = 39,151,391.04
  5. Step 5: Solve for x
    x = 39,151,391.04/7,557.60
  6. Step 6: Final answer
    x = 5,180.40

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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.