Home / 9,125.70-13,688.55-3,281.55

Finding the Fourth Proportional to 9,125.70, 13,688.55 and 3,281.55

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Solution

The fourth proportional to 9,125.70, 13,688.55 and 3,281.55 is: 4,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.70 : 13,688.55 = 3,281.55 : x
  2. Step 2: Convert to fraction form
    9,125.70/13,688.55 = 3,281.55/x
  3. Step 3: Cross multiply
    9,125.70x = 13,688.55 × 3,281.55
  4. Step 4: Simplify right side
    9,125.70x = 44,919,661.25
  5. Step 5: Solve for x
    x = 44,919,661.25/9,125.70
  6. Step 6: Final answer
    x = 4,922.33

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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.