Home / 7,382.40-11,080.08-5,535.60

Finding the Fourth Proportional to 7,382.40, 11,080.08 and 5,535.60

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Solution

The fourth proportional to 7,382.40, 11,080.08 and 5,535.60 is: 8,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.40 : 11,080.08 = 5,535.60 : x
  2. Step 2: Convert to fraction form
    7,382.40/11,080.08 = 5,535.60/x
  3. Step 3: Cross multiply
    7,382.40x = 11,080.08 × 5,535.60
  4. Step 4: Simplify right side
    7,382.40x = 61,334,890.85
  5. Step 5: Solve for x
    x = 61,334,890.85/7,382.40
  6. Step 6: Final answer
    x = 8,308.26

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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.