Home / 9,086.92-12,539.94-5,312.68

Finding the Fourth Proportional to 9,086.92, 12,539.94 and 5,312.68

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Solution

The fourth proportional to 9,086.92, 12,539.94 and 5,312.68 is: 7,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.92 : 12,539.94 = 5,312.68 : x
  2. Step 2: Convert to fraction form
    9,086.92/12,539.94 = 5,312.68/x
  3. Step 3: Cross multiply
    9,086.92x = 12,539.94 × 5,312.68
  4. Step 4: Simplify right side
    9,086.92x = 66,620,688.44
  5. Step 5: Solve for x
    x = 66,620,688.44/9,086.92
  6. Step 6: Final answer
    x = 7,331.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.