Home / 7,341.12-11,006.69-3,539.79

Finding the Fourth Proportional to 7,341.12, 11,006.69 and 3,539.79

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Solution

The fourth proportional to 7,341.12, 11,006.69 and 3,539.79 is: 5,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.12 : 11,006.69 = 3,539.79 : x
  2. Step 2: Convert to fraction form
    7,341.12/11,006.69 = 3,539.79/x
  3. Step 3: Cross multiply
    7,341.12x = 11,006.69 × 3,539.79
  4. Step 4: Simplify right side
    7,341.12x = 38,961,353.50
  5. Step 5: Solve for x
    x = 38,961,353.50/7,341.12
  6. Step 6: Final answer
    x = 5,307.28

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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.