Home / 7,529.72-11,298.66-3,147.56

Finding the Fourth Proportional to 7,529.72, 11,298.66 and 3,147.56

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Solution

The fourth proportional to 7,529.72, 11,298.66 and 3,147.56 is: 4,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.72 : 11,298.66 = 3,147.56 : x
  2. Step 2: Convert to fraction form
    7,529.72/11,298.66 = 3,147.56/x
  3. Step 3: Cross multiply
    7,529.72x = 11,298.66 × 3,147.56
  4. Step 4: Simplify right side
    7,529.72x = 35,563,210.27
  5. Step 5: Solve for x
    x = 35,563,210.27/7,529.72
  6. Step 6: Final answer
    x = 4,723.05

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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.