Home / 7,529.40-11,294.10-4,759.20

Finding the Fourth Proportional to 7,529.40, 11,294.10 and 4,759.20

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Solution

The fourth proportional to 7,529.40, 11,294.10 and 4,759.20 is: 7,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.40 : 11,294.10 = 4,759.20 : x
  2. Step 2: Convert to fraction form
    7,529.40/11,294.10 = 4,759.20/x
  3. Step 3: Cross multiply
    7,529.40x = 11,294.10 × 4,759.20
  4. Step 4: Simplify right side
    7,529.40x = 53,750,880.72
  5. Step 5: Solve for x
    x = 53,750,880.72/7,529.40
  6. Step 6: Final answer
    x = 7,138.80

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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.