Home / 7,528.61-11,295.39-3,147.32

Finding the Fourth Proportional to 7,528.61, 11,295.39 and 3,147.32

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Solution

The fourth proportional to 7,528.61, 11,295.39 and 3,147.32 is: 4,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.61 : 11,295.39 = 3,147.32 : x
  2. Step 2: Convert to fraction form
    7,528.61/11,295.39 = 3,147.32/x
  3. Step 3: Cross multiply
    7,528.61x = 11,295.39 × 3,147.32
  4. Step 4: Simplify right side
    7,528.61x = 35,550,206.85
  5. Step 5: Solve for x
    x = 35,550,206.85/7,528.61
  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.