Home / 7,088.06-10,631.32-2,157.74

Finding the Fourth Proportional to 7,088.06, 10,631.32 and 2,157.74

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Solution

The fourth proportional to 7,088.06, 10,631.32 and 2,157.74 is: 3,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.06 : 10,631.32 = 2,157.74 : x
  2. Step 2: Convert to fraction form
    7,088.06/10,631.32 = 2,157.74/x
  3. Step 3: Cross multiply
    7,088.06x = 10,631.32 × 2,157.74
  4. Step 4: Simplify right side
    7,088.06x = 22,939,571.26
  5. Step 5: Solve for x
    x = 22,939,571.26/7,088.06
  6. Step 6: Final answer
    x = 3,236.37

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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.