Home / 9,087.90-13,632.42-3,539.40

Finding the Fourth Proportional to 9,087.90, 13,632.42 and 3,539.40

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Solution

The fourth proportional to 9,087.90, 13,632.42 and 3,539.40 is: 5,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.90 : 13,632.42 = 3,539.40 : x
  2. Step 2: Convert to fraction form
    9,087.90/13,632.42 = 3,539.40/x
  3. Step 3: Cross multiply
    9,087.90x = 13,632.42 × 3,539.40
  4. Step 4: Simplify right side
    9,087.90x = 48,250,587.35
  5. Step 5: Solve for x
    x = 48,250,587.35/9,087.90
  6. Step 6: Final answer
    x = 5,309.32

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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.