Home / 7,290.34-10,922.30-3,344.90

Finding the Fourth Proportional to 7,290.34, 10,922.30 and 3,344.90

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Solution

The fourth proportional to 7,290.34, 10,922.30 and 3,344.90 is: 5,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.34 : 10,922.30 = 3,344.90 : x
  2. Step 2: Convert to fraction form
    7,290.34/10,922.30 = 3,344.90/x
  3. Step 3: Cross multiply
    7,290.34x = 10,922.30 × 3,344.90
  4. Step 4: Simplify right side
    7,290.34x = 36,533,955.02
  5. Step 5: Solve for x
    x = 36,533,955.02/7,290.34
  6. Step 6: Final answer
    x = 5,011.28

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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.