Home / 5,909.47-8,155.07-3,220.67

Finding the Fourth Proportional to 5,909.47, 8,155.07 and 3,220.67

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Solution

The fourth proportional to 5,909.47, 8,155.07 and 3,220.67 is: 4,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.47 : 8,155.07 = 3,220.67 : x
  2. Step 2: Convert to fraction form
    5,909.47/8,155.07 = 3,220.67/x
  3. Step 3: Cross multiply
    5,909.47x = 8,155.07 × 3,220.67
  4. Step 4: Simplify right side
    5,909.47x = 26,264,789.30
  5. Step 5: Solve for x
    x = 26,264,789.30/5,909.47
  6. Step 6: Final answer
    x = 4,444.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.