Home / 7,492.26-11,181.40-6,661.90

Finding the Fourth Proportional to 7,492.26, 11,181.40 and 6,661.90

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Solution

The fourth proportional to 7,492.26, 11,181.40 and 6,661.90 is: 9,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.26 : 11,181.40 = 6,661.90 : x
  2. Step 2: Convert to fraction form
    7,492.26/11,181.40 = 6,661.90/x
  3. Step 3: Cross multiply
    7,492.26x = 11,181.40 × 6,661.90
  4. Step 4: Simplify right side
    7,492.26x = 74,489,368.66
  5. Step 5: Solve for x
    x = 74,489,368.66/7,492.26
  6. Step 6: Final answer
    x = 9,942.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.