Home / 7,528.62-11,295.40-3,147.32

Finding the Fourth Proportional to 7,528.62, 11,295.40 and 3,147.32

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Solution

The fourth proportional to 7,528.62, 11,295.40 and 3,147.32 is: 4,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.62 : 11,295.40 = 3,147.32 : x
  2. Step 2: Convert to fraction form
    7,528.62/11,295.40 = 3,147.32/x
  3. Step 3: Cross multiply
    7,528.62x = 11,295.40 × 3,147.32
  4. Step 4: Simplify right side
    7,528.62x = 35,550,238.33
  5. Step 5: Solve for x
    x = 35,550,238.33/7,528.62
  6. Step 6: Final answer
    x = 4,722.01

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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.