Home / 8,765.50-13,147.76-3,575.74

Finding the Fourth Proportional to 8,765.50, 13,147.76 and 3,575.74

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Solution

The fourth proportional to 8,765.50, 13,147.76 and 3,575.74 is: 5,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.50 : 13,147.76 = 3,575.74 : x
  2. Step 2: Convert to fraction form
    8,765.50/13,147.76 = 3,575.74/x
  3. Step 3: Cross multiply
    8,765.50x = 13,147.76 × 3,575.74
  4. Step 4: Simplify right side
    8,765.50x = 47,012,971.34
  5. Step 5: Solve for x
    x = 47,012,971.34/8,765.50
  6. Step 6: Final answer
    x = 5,363.41

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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.