Home / 9,091.20-13,643.55-4,706.40

Finding the Fourth Proportional to 9,091.20, 13,643.55 and 4,706.40

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Solution

The fourth proportional to 9,091.20, 13,643.55 and 4,706.40 is: 7,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.20 : 13,643.55 = 4,706.40 : x
  2. Step 2: Convert to fraction form
    9,091.20/13,643.55 = 4,706.40/x
  3. Step 3: Cross multiply
    9,091.20x = 13,643.55 × 4,706.40
  4. Step 4: Simplify right side
    9,091.20x = 64,212,003.72
  5. Step 5: Solve for x
    x = 64,212,003.72/9,091.20
  6. Step 6: Final answer
    x = 7,063.09

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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.