Home / 4,991.08-7,486.34-1,528.32

Finding the Fourth Proportional to 4,991.08, 7,486.34 and 1,528.32

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Solution

The fourth proportional to 4,991.08, 7,486.34 and 1,528.32 is: 2,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.08 : 7,486.34 = 1,528.32 : x
  2. Step 2: Convert to fraction form
    4,991.08/7,486.34 = 1,528.32/x
  3. Step 3: Cross multiply
    4,991.08x = 7,486.34 × 1,528.32
  4. Step 4: Simplify right side
    4,991.08x = 11,441,523.15
  5. Step 5: Solve for x
    x = 11,441,523.15/4,991.08
  6. Step 6: Final answer
    x = 2,292.39

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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.