Home / 7,449.60-11,150.10-5,975.40

Finding the Fourth Proportional to 7,449.60, 11,150.10 and 5,975.40

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Solution

The fourth proportional to 7,449.60, 11,150.10 and 5,975.40 is: 8,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.60 : 11,150.10 = 5,975.40 : x
  2. Step 2: Convert to fraction form
    7,449.60/11,150.10 = 5,975.40/x
  3. Step 3: Cross multiply
    7,449.60x = 11,150.10 × 5,975.40
  4. Step 4: Simplify right side
    7,449.60x = 66,626,307.54
  5. Step 5: Solve for x
    x = 66,626,307.54/7,449.60
  6. Step 6: Final answer
    x = 8,943.61

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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.