Home / 9,091.12-13,630.32-3,539.80

Finding the Fourth Proportional to 9,091.12, 13,630.32 and 3,539.80

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Solution

The fourth proportional to 9,091.12, 13,630.32 and 3,539.80 is: 5,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.12 : 13,630.32 = 3,539.80 : x
  2. Step 2: Convert to fraction form
    9,091.12/13,630.32 = 3,539.80/x
  3. Step 3: Cross multiply
    9,091.12x = 13,630.32 × 3,539.80
  4. Step 4: Simplify right side
    9,091.12x = 48,248,606.74
  5. Step 5: Solve for x
    x = 48,248,606.74/9,091.12
  6. Step 6: Final answer
    x = 5,307.22

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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.