Home / 7,527.61-11,293.89-3,146.32

Finding the Fourth Proportional to 7,527.61, 11,293.89 and 3,146.32

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Solution

The fourth proportional to 7,527.61, 11,293.89 and 3,146.32 is: 4,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.61 : 11,293.89 = 3,146.32 : x
  2. Step 2: Convert to fraction form
    7,527.61/11,293.89 = 3,146.32/x
  3. Step 3: Cross multiply
    7,527.61x = 11,293.89 × 3,146.32
  4. Step 4: Simplify right side
    7,527.61x = 35,534,191.98
  5. Step 5: Solve for x
    x = 35,534,191.98/7,527.61
  6. Step 6: Final answer
    x = 4,720.51

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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.