Home / 7,529.59-11,292.99-3,145.87

Finding the Fourth Proportional to 7,529.59, 11,292.99 and 3,145.87

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Solution

The fourth proportional to 7,529.59, 11,292.99 and 3,145.87 is: 4,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.59 : 11,292.99 = 3,145.87 : x
  2. Step 2: Convert to fraction form
    7,529.59/11,292.99 = 3,145.87/x
  3. Step 3: Cross multiply
    7,529.59x = 11,292.99 × 3,145.87
  4. Step 4: Simplify right side
    7,529.59x = 35,526,278.45
  5. Step 5: Solve for x
    x = 35,526,278.45/7,529.59
  6. Step 6: Final answer
    x = 4,718.22

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Double scale
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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.