Home / 7,611.16-11,418.18-2,994.52

Finding the Fourth Proportional to 7,611.16, 11,418.18 and 2,994.52

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Solution

The fourth proportional to 7,611.16, 11,418.18 and 2,994.52 is: 4,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.16 : 11,418.18 = 2,994.52 : x
  2. Step 2: Convert to fraction form
    7,611.16/11,418.18 = 2,994.52/x
  3. Step 3: Cross multiply
    7,611.16x = 11,418.18 × 2,994.52
  4. Step 4: Simplify right side
    7,611.16x = 34,191,968.37
  5. Step 5: Solve for x
    x = 34,191,968.37/7,611.16
  6. Step 6: Final answer
    x = 4,492.35

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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.