Home / 4,723.88-7,084.38-1,260.68

Finding the Fourth Proportional to 4,723.88, 7,084.38 and 1,260.68

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Solution

The fourth proportional to 4,723.88, 7,084.38 and 1,260.68 is: 1,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.88 : 7,084.38 = 1,260.68 : x
  2. Step 2: Convert to fraction form
    4,723.88/7,084.38 = 1,260.68/x
  3. Step 3: Cross multiply
    4,723.88x = 7,084.38 × 1,260.68
  4. Step 4: Simplify right side
    4,723.88x = 8,931,136.18
  5. Step 5: Solve for x
    x = 8,931,136.18/4,723.88
  6. Step 6: Final answer
    x = 1,890.64

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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.