Home / 7,486.98-11,232.39-2,807.05

Finding the Fourth Proportional to 7,486.98, 11,232.39 and 2,807.05

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Solution

The fourth proportional to 7,486.98, 11,232.39 and 2,807.05 is: 4,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.98 : 11,232.39 = 2,807.05 : x
  2. Step 2: Convert to fraction form
    7,486.98/11,232.39 = 2,807.05/x
  3. Step 3: Cross multiply
    7,486.98x = 11,232.39 × 2,807.05
  4. Step 4: Simplify right side
    7,486.98x = 31,529,880.35
  5. Step 5: Solve for x
    x = 31,529,880.35/7,486.98
  6. Step 6: Final answer
    x = 4,211.29

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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.