Home / 9,611.32-13,263.60-5,419.54

Finding the Fourth Proportional to 9,611.32, 13,263.60 and 5,419.54

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Solution

The fourth proportional to 9,611.32, 13,263.60 and 5,419.54 is: 7,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.32 : 13,263.60 = 5,419.54 : x
  2. Step 2: Convert to fraction form
    9,611.32/13,263.60 = 5,419.54/x
  3. Step 3: Cross multiply
    9,611.32x = 13,263.60 × 5,419.54
  4. Step 4: Simplify right side
    9,611.32x = 71,882,610.74
  5. Step 5: Solve for x
    x = 71,882,610.74/9,611.32
  6. Step 6: Final answer
    x = 7,478.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.