Home / 5,319.66-7,341.18-2,961.86

Finding the Fourth Proportional to 5,319.66, 7,341.18 and 2,961.86

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Solution

The fourth proportional to 5,319.66, 7,341.18 and 2,961.86 is: 4,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.66 : 7,341.18 = 2,961.86 : x
  2. Step 2: Convert to fraction form
    5,319.66/7,341.18 = 2,961.86/x
  3. Step 3: Cross multiply
    5,319.66x = 7,341.18 × 2,961.86
  4. Step 4: Simplify right side
    5,319.66x = 21,743,510.69
  5. Step 5: Solve for x
    x = 21,743,510.69/5,319.66
  6. Step 6: Final answer
    x = 4,087.39

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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.