Home / 7,529.60-11,294.40-1,983.80

Finding the Fourth Proportional to 7,529.60, 11,294.40 and 1,983.80

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Solution

The fourth proportional to 7,529.60, 11,294.40 and 1,983.80 is: 2,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.60 : 11,294.40 = 1,983.80 : x
  2. Step 2: Convert to fraction form
    7,529.60/11,294.40 = 1,983.80/x
  3. Step 3: Cross multiply
    7,529.60x = 11,294.40 × 1,983.80
  4. Step 4: Simplify right side
    7,529.60x = 22,405,830.72
  5. Step 5: Solve for x
    x = 22,405,830.72/7,529.60
  6. Step 6: Final answer
    x = 2,975.70

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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.