Home / 7,527.07-11,290.36-3,580.21

Finding the Fourth Proportional to 7,527.07, 11,290.36 and 3,580.21

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Solution

The fourth proportional to 7,527.07, 11,290.36 and 3,580.21 is: 5,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.07 : 11,290.36 = 3,580.21 : x
  2. Step 2: Convert to fraction form
    7,527.07/11,290.36 = 3,580.21/x
  3. Step 3: Cross multiply
    7,527.07x = 11,290.36 × 3,580.21
  4. Step 4: Simplify right side
    7,527.07x = 40,421,859.78
  5. Step 5: Solve for x
    x = 40,421,859.78/7,527.07
  6. Step 6: Final answer
    x = 5,370.20

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Half scale
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Double scale
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Similar ratio
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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.