Home / 5,189.66-7,159.44-3,510.45

Finding the Fourth Proportional to 5,189.66, 7,159.44 and 3,510.45

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Solution

The fourth proportional to 5,189.66, 7,159.44 and 3,510.45 is: 4,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.66 : 7,159.44 = 3,510.45 : x
  2. Step 2: Convert to fraction form
    5,189.66/7,159.44 = 3,510.45/x
  3. Step 3: Cross multiply
    5,189.66x = 7,159.44 × 3,510.45
  4. Step 4: Simplify right side
    5,189.66x = 25,132,856.15
  5. Step 5: Solve for x
    x = 25,132,856.15/5,189.66
  6. Step 6: Final answer
    x = 4,842.87

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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.