Home / 7,441.60-11,153.72-5,475.60

Finding the Fourth Proportional to 7,441.60, 11,153.72 and 5,475.60

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Solution

The fourth proportional to 7,441.60, 11,153.72 and 5,475.60 is: 8,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.60 : 11,153.72 = 5,475.60 : x
  2. Step 2: Convert to fraction form
    7,441.60/11,153.72 = 5,475.60/x
  3. Step 3: Cross multiply
    7,441.60x = 11,153.72 × 5,475.60
  4. Step 4: Simplify right side
    7,441.60x = 61,073,309.23
  5. Step 5: Solve for x
    x = 61,073,309.23/7,441.60
  6. Step 6: Final answer
    x = 8,207.01

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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.