Home / 9,336.08-13,999.28-2,761.40

Finding the Fourth Proportional to 9,336.08, 13,999.28 and 2,761.40

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Solution

The fourth proportional to 9,336.08, 13,999.28 and 2,761.40 is: 4,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.08 : 13,999.28 = 2,761.40 : x
  2. Step 2: Convert to fraction form
    9,336.08/13,999.28 = 2,761.40/x
  3. Step 3: Cross multiply
    9,336.08x = 13,999.28 × 2,761.40
  4. Step 4: Simplify right side
    9,336.08x = 38,657,611.79
  5. Step 5: Solve for x
    x = 38,657,611.79/9,336.08
  6. Step 6: Final answer
    x = 4,140.67

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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.