Home / 7,087.20-10,632.96-2,705.04

Finding the Fourth Proportional to 7,087.20, 10,632.96 and 2,705.04

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Solution

The fourth proportional to 7,087.20, 10,632.96 and 2,705.04 is: 4,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.20 : 10,632.96 = 2,705.04 : x
  2. Step 2: Convert to fraction form
    7,087.20/10,632.96 = 2,705.04/x
  3. Step 3: Cross multiply
    7,087.20x = 10,632.96 × 2,705.04
  4. Step 4: Simplify right side
    7,087.20x = 28,762,582.12
  5. Step 5: Solve for x
    x = 28,762,582.12/7,087.20
  6. Step 6: Final answer
    x = 4,058.38

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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.