Home / 7,531.08-11,289.19-3,575.40

Finding the Fourth Proportional to 7,531.08, 11,289.19 and 3,575.40

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Solution

The fourth proportional to 7,531.08, 11,289.19 and 3,575.40 is: 5,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.08 : 11,289.19 = 3,575.40 : x
  2. Step 2: Convert to fraction form
    7,531.08/11,289.19 = 3,575.40/x
  3. Step 3: Cross multiply
    7,531.08x = 11,289.19 × 3,575.40
  4. Step 4: Simplify right side
    7,531.08x = 40,363,325.36
  5. Step 5: Solve for x
    x = 40,363,325.36/7,531.08
  6. Step 6: Final answer
    x = 5,359.57

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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.