Home / 7,396.80-11,111.40-5,461.44

Finding the Fourth Proportional to 7,396.80, 11,111.40 and 5,461.44

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Solution

The fourth proportional to 7,396.80, 11,111.40 and 5,461.44 is: 8,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.80 : 11,111.40 = 5,461.44 : x
  2. Step 2: Convert to fraction form
    7,396.80/11,111.40 = 5,461.44/x
  3. Step 3: Cross multiply
    7,396.80x = 11,111.40 × 5,461.44
  4. Step 4: Simplify right side
    7,396.80x = 60,684,244.42
  5. Step 5: Solve for x
    x = 60,684,244.42/7,396.80
  6. Step 6: Final answer
    x = 8,204.12

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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.