Home / 7,527.70-11,292.90-3,145.60

Finding the Fourth Proportional to 7,527.70, 11,292.90 and 3,145.60

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Solution

The fourth proportional to 7,527.70, 11,292.90 and 3,145.60 is: 4,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.70 : 11,292.90 = 3,145.60 : x
  2. Step 2: Convert to fraction form
    7,527.70/11,292.90 = 3,145.60/x
  3. Step 3: Cross multiply
    7,527.70x = 11,292.90 × 3,145.60
  4. Step 4: Simplify right side
    7,527.70x = 35,522,946.24
  5. Step 5: Solve for x
    x = 35,522,946.24/7,527.70
  6. Step 6: Final answer
    x = 4,718.96

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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.